This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

An early 20th-century bullring converted into a modern shopping center.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This bridge was constructed from the rubble of the infamous Bastille.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

An unusual number plate signifies the building's saucy past.

Statue of death tucked in the University of Medicine courtyard.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A curious friendship between two inanimate ladies.

A way to take your secrets to someone else's grave.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Sniff the Titan Arum's rotting flesh.

The world's most active stratovolcano is almost always erupting.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.