The decline of the Inca Empire

The Inca Empire: a timeline

When did the Inca Empire solidify into an empire? When was it invaded by the Spanish? What remains of it today? Click through this timeline to learn more.

The Inca's last stand against the Spanish

The Inca Emperor marched to meet the Spanish, expecting them to surrender. Spoiler: They didn't. Listen to this podcast episode to hear what led up to this moment and what happened next.

Why did the Spanish steal the Inca's mummies?

From inside stone palaces and atop sacred mountaintops, the Inca dead continued to wield incredible power over the living. So much so that the Spanish confiscated them. Read more about the afterlife of these mummies here.

What was it like to rebel against the Inca Empire?

The Inca Empire grew to its gargantuan size and became the largest empire in ancient Americas through conquest, annexation, and arranged marriage, approaches that didn't always go over well with locals. Watch this five-minute video to experience a...

What was the Great Inca Road?

In little more than 100 years, it grew from a small kingdom in the highlands of Peru to become the largest empire in the Americas. Read about the critical role played by the Great Inca Road.

How the great city of Cusco came to be, according to the Inca

The chronicler Inka Garcilaso de la Vega recorded the origin story of the Inka (also spelled Inca) and the founding of Cusco, the capital of the society's great empire. Listen to the Inca origin story in this 4-minute video narrated by a child.

The Aztec capital fell after a brutal 75-day siege

The violent Spanish conquest ended with a 75-day siege of Tenochtitlan, where thousands died as Spanish forces and their Indigenous allies overwhelmed the city of 200,000. This animated explainer breaks down how those alliances enabled the empire’s collapse.

Rediscovering the Inca Empire

In 1991, anthropologist Johan Reinhard was trekking up the snowy face of a dormant volcano when he came face to face with the mummified remains of a teenager who had been sacrificed to the Incan gods centuries earlier. The story of “Juanita the Ice Maiden” is just one of the riveting tales featured in this four-part series from the popular podcast "History Hit".

Machu Picchu explained

High in the Andes Mountains, Machu Picchu stands as a testament to the ingenuity and resilience of the Inca Empire. Constructed in the mid-15th century during Emperor Pachacuti’s reign, this site is believed to have served as a royal retreat or ceremonial center. Its engineering marvels, including sophisticated aqueducts, terraced farming systems, and precisely carved stone structures like the Sun Temple, highlight the advanced skills of the Inca civilization.

What llama beans can tell us about the Inca Empire

Fun fact: Llama bean is just another term for llama poop. Another fun fact: Scientists are using these beans and related microorganisms to learn more about the Inca Empire. Read this article to learn how.

Inti, the Sun God of the Inca

The Incas were polytheistic, worshiping many gods, but Inti was the most powerful one in the pantheon. He was the god of the sun and also ruled over agriculture, fertility, and war. Inti was mainly a benevolent deity, though the Inca believed that solar eclipses meant Inti wasn’t pleased. To appease him, the Inca gave sacrificial offerings including food, white llamas, and even human beings.

The last Inca grass suspension bridge in Peru

High in the Peruvian Andes, the aging Q’eswachaka bridge sags precariously over the Apurímac River. It has been built and rebuilt continuously for five centuries. Read more about it here.

4-minute overview of gold mining in the Amazon rainforest

A 2022 NBC news investigation of gold mining in the Peruvian Amazon rainforest. Much of the $3B in illegal gold is trafficked to the US every year.

Who was China's last emperor?

The last emperor of China's last dynasty came into power as a toddler. This article details the rise and abdication of Emperor Aisin Gioro Puyi. Puyi, also known as Henry Puyi, was forced to abdicate his throne in 1912 following the Wuchang...

The rise and fall of the Byzantine Empire

A short but informative TED-Ed video summarizing the most important aspects of Byzantine civilization: how it all started, why Constantinople was so special, a few remarkable Byzantine authors (including Princess Anna Comnena, historian of her father’s reign), the Ottoman conquest, and why don’t just call the Byzantines “Romans.”

The world's biggest silver producers, mapped

Mexico, with its deep history of silver mining, is the dominant leader in silver production, with over 200 million ounces (as of 2023), with China and Peru in second and third place. The precious metal is increasingly important for the electronics industry, and its price is expected to keep rising. See a chart of the biggest silver miners here.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

The ancient Games at Olympia ended after 1,500 years due to economic issues

The ancient Olympics came to an end in 393 CE, and some historians point to Christian Roman emperor Theodosius I's ban on celebrating pagan festivals. This article explores an alternative theory: a bad economy. The writers cite the Theodosian Code, which makes no mention of the Olympics, and multiple records that mention the Olympics after Theodosius' death.

An alternate-history BBC homepage imagines a world where the British Empire endured

An image on Reddit envisions a 2021 BBC homepage from an uncollapsed Empire, featuring hypothetical crises in Zimbabwe, Northern Ireland, and Barbados, alongside upbeat coverage of tourism in “British Palestine”—a snapshot of how imperial news might look today.

The last Pinta Island tortoise died in 2012 at over 100 years old

Unfortunately, different animal species continue to go extinct. See a list of these recent extinctions, and learn the story of Lonesome George, who died without finding a mate in the Galapagos Islands.

The Indigenous people of the central Californian coast made many advancements

The Indigenous people of the central Californian coast made advancements in basketry, small stone tools, the use of shell beads as currency, and plank canoes for seafaring. In the years before European contact, their numbers reach 25,000 across 150 settlements.

A wave of Latin American independence movements most likely prompted the Monroe Doctrine

Between 1810 and 1822, many Latin American colonies separated from Spanish rule, 10 in the last two years. Concerns that Spain and its European allies might try to regain these republics were a main reason behind Monroe's declaration.

Author John Green explains the Gilded Age

The Gilded Age was a time period that stretched from the 1870s until the turn of the 20th century that was colored by rapid industrialization, economic change, and widespread financial inequality. It was named as such because the widespread poverty during this era is often overshadowed by the fact that it was also a golden age for wealthy individuals.

The story of Boeing's unraveling

Long lauded as one of the world's greatest aviation companies, Boeing has taken a nosedive in the last decade after major mass casualty crashes of its planes and high-profile scandals, which have led to numerous investigations, the temporary grounding of some of its planes, and a huge hit in its value. Listen to this first episode of a series telling the story of Boeing's fall.

The rise and fall of a petrostate

Venezuela’s descent into economic and political chaos in recent years is a cautionary tale of the dangerous influence that resource wealth can have on developing countries.

At one point, the land underneath the Imperial Palace in Japan was reportedly worth more than California

Before Japan's economy crashed and sent the country into two decades of deep deflation, the real estate market was experiencing euphoric highs. The Imperial Palace never actually went on the market, so it's difficult to actually compare the value to California.

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

A century of Billboard issues documenting the evolution of popular music.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Watch what the Ebola virus does inside our cells and organs in order to spread and survive.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

When caught in the mouths of cardinal fish, seed shrimp release glowing, bioluminescent chemicals, which alert predators of the cardinal fish, prompting the shrimp's ejection.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.