Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Site of one of World War I's most horrific scenes.

The first park built over a freeway is a brutalist masterwork.

A Buddhist temple to honor insects that died for science.

A (slightly) grownup take on the classic retro arcade.

The world's largest squirrel statue clutches a pecan bigger than your head.

The mysterious round rocks of Schooner Gulch.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

An impressive collection is dedicated to the legendary beast.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

Possibly the world's only drive-in movie theater with an attached motel.

This midcentury LA bar was the birthplace of tiki culture.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

Built by the patriotic residents of Boonsboro in a single day.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Tucked along a river are enigmatic stone carvings created thousands of years ago.

A sculpture dedicated to the trade that gave the town its name.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

A dilapidated dock tells the story of Titanic's missed arrival.

Its buzzing collection honors vibrator history.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.