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

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.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

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

This spooky statue sits outside a famous Prague theater.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

This riverside restaurant has been serving customers since 1146.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A whimsical, but often overlooked clock in Park Avenue.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A lush indoor jungle fills this bustling Madrid transportation hub.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

A collection of noses tucked inside an art museum reveals how times have changed.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.