Norway's chilly all ice-instrument festival.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

An autonomous republic of Orthodox monks.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Poseidon? No one seems to know.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

The ghost town where the villagers refuse to leave.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

This legendary city has been a tourist attraction for centuries.

A naturally beautiful, seemingly bottomless deep blue spring.

A spectacular cave and a beguiling lake.

The hallucinogenic center of the ancient world.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An enigmatic modern marker left next to a historic Roman site.