In the Netherlands, one of the world's largest private car collections can be found.

Atop this former dutch railway office sits an interstellar work of art.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Strange secondhand shop showcasing taxidermy and oddies

A former plague hospital turned medical museum.

Sail in for a ’dam good slice.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Looming communist pillar with a Czech twist.

An Orwellian sculpture with eyeball cameras watches passersby.

This doorless 20th-century elevator doesn't stop or slow down.

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 neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

Dine amidst exotic plants at this former royal greenhouse.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

This cubist Vienna church building looks like some sort of alien stonehenge.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.