A giant chess set, minus the psychedelic drug trip.

A living art gallery painted on a canvas of Monterey pine trees.

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

New Zealand's epic shrine to all things puzzling.

Artistic cabins actually grow deep in the Canadian wilderness.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Geodesic dome luxury retreat in the Scottish Highlands.

This legendary city has been a tourist attraction for centuries.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

The Voodoo Superstore of the world.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

One man's ambition created this psychedelic log home.

Rainbow-hued local gem in Venice.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

An Aztec snake god has taken the material form of an apartment complex.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

One man's homage to the sun continues to grow like a glass fractal.

The Origin of On the Origin of Species.