Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Shop of curiosities with a dinosaur museum tucked in its basement.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This enchanting rainforest hotel looks as though it grew from the forest itself.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

Cliffside houses provide a spectacular view from their perch above the valley.

An outsider folly near Madrid.

Mysterious Spanish catacombs of unknown origins.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

A replica that won't float away.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

This glamorous old building is said to have inspired the Tower of Terror.

Abandoned railway line circling the city of Paris.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

World's largest collection devoted to one fruit.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.