These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

The Uros people live on floating reed islands in lake Titicaca.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

This ancient market is often referred to as the oldest shopping mall in the world.

Secret refuge and museum of the Duke of Florence.

2300-year-old Roman road connecting the empire.

The unique collection of gifts includes braids of human hair, a spoon, and a Virgin made of bread.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A wall of chewing gum moonlights as collective art.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

This remote camping site offers incredible stargazing opportunities.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

Explore a misty river canyon from a metal bridge system.

The oldest continuously occupied public building in the United States.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Apparently, the whole cosmos emanates from this plain concrete tower.