Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The first declared National Monument in the United States.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

A building so large that it has its own weather.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The blinking light atop the iconic landmark has been sending secret messages for decades.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

Take a step into the workshop where Edison and his employees revolutionized the world.

At this farm in upstate New York, the former president plotted his reelection campaign.

This pub can leave even the sober feeling slightly unsteady.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The Grand Canyon of Texas.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

This mouldering abandoned mental hospital was once a center for progressive healing.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

The land is home to swimming ponies and a legendary 18th-century treasure.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

An abandoned asylum where patients have been forgotten but their possessions remain.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...