Hidden on two floors of downtown building, the library has an incredible deal on rent.

The world's second largest single-dish radio telescope, once used to contact E.T.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

No one knows how many bodies are in this vault in a Chicago public park.

The subtle science of a master molecular gastronomist.

Described as "the world's most blinging pool."

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

This unusual rock formation looks like an apple that has been neatly sliced in half.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

This innocent-looking townhome is actually a subway exit.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

This tiny structure was built by the creator of the Brooklyn Bridge.

This tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

The world's largest rotating world.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

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

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Sister store to the Echo Park Time Travel Store.

World-famous, Pink's still manages to keep its prized cult fetish status.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

World's largest collection of serial killer artwork and other macabre exhibits.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.