A Circus legend leaves an unexpected endowment.

Ancient man-made caves underneath small town Belgium.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Theme park featuring miniature replicas of European monuments.

Op-art architecture designed for happiness.

"We Seceded Where Others Failed."

Legendary site where an evil bishop was devoured by rodents.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Da Vinci's equestrian statue, 500 years in the making.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Climb inside an iron crystal magnified 165 billion times its normal size.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

100 year tradition of fist fights, marked by marble footsteps.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

The second oldest continuously operating bar in Louisiana.

Nature took her revenge on the "Wickedest City in the World."

The museum chronicling a treasure hunter's dream, fulfilled.

A little sculpture with a large wardrobe.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

London's smallest police station is barely the size of a phone booth.

This one has sailed five times as far as Sir Francis Drake's famous ship.

World's largest barrel containing an inn.