The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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

A taxidermied stork with an arrow through its neck proved that birds migrate.

Macabre astrological automaton clock dating to the late 1400s.

A mocking tribute to the past and modern leadership of Prague.

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

A bus with a butt and biceps to put Olympic athletes to shame.

Looming communist pillar with a Czech twist.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

An alchemist's “magic door” stands in the middle of a Roman park.

A sculpture serving as an homage to Pope John Paul II.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Go inside to really appreciate this 500-year-old technological masterpiece.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Where Venice's gondolas go for a tune-up.

100 year tradition of fist fights, marked by marble footsteps.

"Drunken ship" sculpture memorializing the French poet in the city where he died.

This folk museum is devoted to small figurines of provincial village life.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

Marked by the hand of the explorer Henry Morton Stanley.