The cave of a 12th-century hermit is still visited and venerated today.

This translucent sculpture represents a quintessential component of New York City's skyline.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

In 1986, Keith Haring was arrested for painting this anti-drug mural on a Harlem handball court.

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

Order a boozy baba au rhum at the oldest patisserie in Paris.

Peruse produce from Senegal, Cameroon, and other West African nations at this sprawling market.

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

After immigrating to Paris in the 1970s, two brothers from Laos built a grocery store empire.

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

Marvel at the opulent Art Nouveau interior while dining on dirt-cheap French classics.

Sip a cappuccino in the historic cafe that introduced them to the United States.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

This sculptural piece by the artist Tom Otterness doubles as a jungle gym.

This small chapel built into rock is the oldest place of worship in Luxembourg.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

A vibrant, 100-foot-tall mural dedicated to Evelyn Nesbit, the tragic icon of the Gilded Age.

The Father of the Erie Canal has a magnificent grave marker that redefines the term "final resting place."

Former home to Polish artist Tamara de Lempicka's dazzling Art Deco duplex studio.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

A German shoemaker-turned-folk-hero whose impersonation of a Prussian military officer earned international notoriety.