The French leader's hat sits in a glass case at the oldest restaurant in Paris.

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

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.

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

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

There’s a special club house at the top for the bell ringers.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A faux European lane smack dab in downtown L.A.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

Friendships have been forged over ham and eggs every Wednesday morning for a century.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This Chase branch is an homage to Old Hollywood.