Local legend says there's treasure hidden within its crowded graveyard.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

The atmospheric road was never meant to be so creepy.

A wooden dock art installation on Chiloé Island taps into the island's indigenous mythology.

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

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

These limestone cliffs are associated with the Greek myth of Prometheus.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

This landmark is a central figure in the Nez Perce origin story.

A geological wonder shrouded in myth.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

Legend says this fabled well held part of a mythical Norse tree.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

This ancient Irish landscape boasts hundreds of legendary ruins.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

A curious collection of mechanical moving figures.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A collection of 20th-century automata, penny arcade games, and musical contraptions.