Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

A surrealist timepiece by the artist of melting clocks.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

A site of pagan worship which still attracts people looking for fairies.

This simple apartment may have inspired some of the most important theories in the history of science.

Nondescript elevator doors open to reveal a stunning, surreal world.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

Three prestigious academic collections come together to create a world-class natural history museum.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

Catch a glimpse of the elusive Peninsular bighorns right off of the desert freeway.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

Former farm staffed by mental patients is now a public park.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

Exotic feline breeding compound and conservation center.

Just below the surface, shrimp are producing temperatures hotter than the sun.

Bioluminescent firefly squid light up this Japanese fishing port.