This crack in France's seaside cliffs once hid a sinister secret.

Explore the evolution of printing technology, from cuneiform to Kindle.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

The world’s first hotel to be run by robots.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The vertical-axis windmills of ancient Persia have been grinding flour for 1,000 years and counting.

The legend of a local monster still haunts this small town.

This giant Christ statue was a failed attempt by Indonesia to dissuade East Timor from demanding independence.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A Jenga-style cylindrical tower of books that appears to go on forever.

These termites have an large and deadly abode—impressive by day, dazzling by night.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

The 20-mile causeway that separates the Netherlands from the sea.

After covering almost 1.5 billion acres, the survey's still not finished.

The tragic tale of the dentist who pioneered the use of anesthesia.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”