The "Seinfeld" diner.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A fiery crater has been burning in the Karakum Desert since 1971.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

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

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A technicolor place of worship for Elevationists.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Rising from the sea like a stone monster.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A beautiful geyser under environmental threat.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

A 30-acre garden inspired by the principles of modern physics.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.