This quiet park's strange sedimentary spires were named after Kodak's color film.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

A Swiss board game museum housed inside a picture-perfect castle.

A bike train runs along a disused railway line through the tranquil French countryside.

Iceland's only steampunk shop imagines a retro-futuristic world that never was.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

The steepest classic funicular in the world glides along a dizzying incline.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

The United States Capitol's former columns still stand.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

At this unusual park, domes, ladders, chairs, and more are made from trees.

The Netherlands is home to a bridge printed out of reinforced concrete.

A public urinal so pretty, it was declared a national monument.

This statue honors the thousands of Allied avians that served and died for France during World War I.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This underwater cave in Madagascar is home to what is thought to be the country's largest fossil graveyard.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

A vintage video game wonderland in downtown Reykjavik.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.