The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

A library of only unpublished manuscripts.

Remains of military submarines built in secret jungle factories by the Tamil guerrillas' naval wing.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

305 homemade stone stairs wind their way up the Hamilton escarpment.

Camera cars and condom bikes built from scrap and one man's passion.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

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

Dead weights honor the dead of Portugal's fishing industry.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

The best place to acquire pea shooting fame.

The 19th-century vessel floats proudly on Lake Titicaca, but its journey from Britain to the Peruvian altiplano was far from smooth sailing.

Macabre astrological automaton clock dating to the late 1400s.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.