The commemorative stone column conceals a secret laboratory.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

A unique tribute to the millions of animals who served and died for the British military.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The celebrated eyesore created by starry-eyed sweethearts.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

This 18th-century sundial was designed to calculate the date of Easter each year.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

This emotive sculpture was originally created for the 1878 World's Fair.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The video game-themed street art first popped up in the French city.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The final resting place of the "father of special effects."

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

A French artist's vague warning hangs over Belleville.

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

Saintly bones pressed into a wax effigy of a Catholic superstar.

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

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.