This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Countless grotesque faces stare out from this eerie Prague art wall.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

These Nubian pyramids are strange and unique, even by pyramid standards.

Ghosts of France's colonial past.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A celebration of capitalism in Midtown.

This Scottish bridge seems to compel dogs to leap to their death.

When the rain falls, this drain system turns into a musical instrument.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Rebuilt remains of a temple to Roman god Mithras.

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

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

This "floating railway" is one of the world's oldest monorail systems.

Twisted buildings adorn the banks of the Rhine river.

This monolithic slab of art metal crowns a German slag heap.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

Germany has its very own Centralia, whose spark remains attributed to "spontaneous combustion."