This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

Inside this metro station is a section of the city's former medieval fortification.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This no man's land slicing through the island is strewn with abandoned relics of another time.

This bell stars in a tragic love tale and is said to make wishes come true.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

Special benches that play Chopin's music are scattered throughout his native city.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Get in line for Lisbon’s most famous sandwich.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Eat the ultimate iteration of Portugal's most beloved pastry.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.