The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A slice of central Asia in the middle of Berlin.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

One man's personal kunstkammer, museum and shop.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The Titanic sails again in one Scotland man's backyard.

Macabre astrological automaton clock dating to the late 1400s.

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

A preserved college lock-up that recalls a clubhouse approach to discipline.

Europe’s oldest natural human mummy.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Twisted buildings adorn the banks of the Rhine river.

An industrial relic is now one of Europe's most staggering art spaces.

No need to strap in for a “ride” on this walkable roller coaster.

This former steel and coal plant is now a neon-lit industrial fantasia.