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

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A once-magnificent collegiate church is falling into ruin.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A rare example of World War I trenches from the British front.

A little sculpture with a large wardrobe.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Cozy basement bar sports an inventory of over 2,000 beers.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

Breathtaking and huge 430 year old maps of Italy.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

Where Agatha Christie mysteriously disappeared in 1926.