A place to see how French aristocrats lived in the early 1900s.

Artist's eccentric property excessively decorated with found objects and work of his own.

This massive blockhead sculpture hides an entire library.

Burlesque Hospital Themed Restaurant.

Flamboyant architecture from the turn of 20th century.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

An abandoned masterpiece of Soviet Brutalist architecture.

What almost started out as a spite house became an eccentric's found object masterpiece.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Lithuania's outdoor sculpture trail of wooden folk art.

A narrow strip of land is home to the tallest migrating dunes in Europe.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A crucified and bearded female saint.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Two stunning 17th-century libraries and a cabinet of curiosities.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

An eerie, existential museum dedicated to the author of "The Metamorphosis."