Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

We heard you like volcanoes so we put a volcano in your volcano so you can die for sure...

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

One extremely determined man's homemade universe.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

A 12th-century Italian skirmish gets reenacted with 500,000 pounds of flying citrus.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

This historic folk museum celebrates the attention to detail that makes America great.

A tomb with a window to ensure the interred wasn't buried alive.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Monasteries on rock pillars, once accessible only by frayed ropes.

For more than 40 years this Barnum-inspired half-fox, half-woman has been telling fortunes from her cage in a Pakistani zoo.

The world's only museum devoted solely to the art and collection of action figures.

This impressive collection of skulls and bones was gathered by an ex-zookeeper who took advantage of a pig plague.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Four-story concrete hotel never opened to customers.

What better way to honor a pioneering anatomist than by preserving his severed head like a specimen?