Follow the steps, and this roadside artwork will teach you how to dance.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

One Confederate statue that accurately reflects the ugliness of its subject.

This replica of the Greek structure is in the heart of Nashville.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The Tudor-style cottage in the middle of the square is not quite what it seems.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Catacombs turned marketplace.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

One person's lost luggage is another person's treasure.