A mysterious castle built as a monument to lost love.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A meditative space out of a fantasy story.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

An abandoned stretch of highway, deteriorating next to the operational one.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

See massive fossils that are over 200 million years old in northeastern Arizona.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

A reproduction of earth's many biomes.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

This grand gothic brewery has been pumping out suds for over a hundred years.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A historic neighborhood church is reborn as a psychedelic arts collective.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

This lab's maddening silence is good for business but bad for sanity.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Quite simply the largest tree in the world (by volume).