Single runway interrupted by a busy road that cuts across its middle.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Dedicated to the unsung history of human waste.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Microscopic scenes; some call it novelty, some call it art.

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

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

Two stunning 17th-century libraries and a cabinet of curiosities.

This is the oldest Roman-made bridge in the city still existing in its original state.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

One of three official copies of Marcel Duchamp's enigmatic masterpiece is on display in an obscure Tokyo museum.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

This network of narrow, medieval passages has the most delightful name.

“It has nae lugs!”

The remnants of a facade from a 19th-century market stall emporium.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This king penguin is a knighted brigadier of the Norwegian Army.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.