A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

The mayor made the declaration in 2004.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

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

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

One of the world's steepest streets seems to have houses sliding down it.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The quintessential Japanese rock garden has existed for more than 500 years.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Cave shrine on Monte Pellegrino.

Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

A fifth-century temple improbably built into the side of a cliff.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

Tracking the 1,500-year history of Korea's star cabbage.

This museum has a most unusual location: inside a giant, three-headed elephant.