An eerie cluster of medieval cave-like tombs carved out of a cliff, hidden in a historic mountain pass.

The medieval ferry service has been going strong since the 14th century.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

Humble beginnings for one of the world's most famous scientists.

A museum dedicated to the alleged Roswell Incident.

This Funeral Hearse Museum represents the finest in cadaver transportation.

A museum dedicated to exhibiting remarkable outsider art.

Modern Japanese museum is buried by snow annually.

The home of the Dead Sea Scrolls is an abstract modernist dream.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Playable, historic pinball machines fill this Alameda museum.

An eccentric inventor's castle home with its own indoor weather system.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

The demolished ruins of a poorly located Japanese Love Hotel.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The ruin of a Japanese love hotel almost completely overgrown with brambles.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

A labyrinth of clothing, electronics, and other counterfeit items.

Bangkok's men with dangerous jobs come here in search of protective talismans.

This weekly market in the remote oasis city of Hotan still has the atmosphere of the old Silk Road.

Known as the "Queen of Beach Markets," Calangute epitomizes Goa's beach flea market scene.

North Central Florida's largest flea market and a weekend roadtripper's dream.