The resting place of 18th century German mummies.

The world's most important buildings shrunk to a tiny size.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A unique opportunity to stay the night in retrofitted sections of sewer pipe.

This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

150-year-old satirical tableaus made from stuffed frogs.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

These magnificent 240-year-old machines are considered distant ancestors of the computer.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

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

An Austrian house of bones filled with hundreds of intricately painted skulls.

The highest waterfall in Italy is only "turned on" five times a year.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

A spiral staircase twists to the top of this unusual Czech lookout tower.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

This giant statue of a vulva became internationally famous after an American exchange student got stuck in it.

The Tübingen University anatomical collection hosts an example of an extremely rare medical phenomenon.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."