A subterranean house of worship carved right out of the bedrock.

A little sculpture with a large wardrobe.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

It houses the remains of a 17th-century version of the Titanic.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

The whole world in one water tank.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Walk through the history of American pop culture.

A museum dedicated to exhibiting remarkable outsider art.

A daily replay of the experiment that proved the rotation of the Earth.

A diorama of the Civil War, fought by cats.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.