One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

Notorious artist squat renovated into legal studios.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

It houses the remains of a 17th-century version of the Titanic.

The library's graceful rotunda is like a bibliophile's temple.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A luxury hotel constructed out of a former jail.

One of the most iconic neon ads of former East Germany.

A series of playful yellow penguins share a serious message about the environment.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This impressive Boston holy house is the American mecca for Christian scientists.

America’s oldest community theater, this Boston club has been in operation since 1877.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.