Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The celebrated eyesore created by starry-eyed sweethearts.

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

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

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

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

Former self-sufficient mental institution now a planned community.

World's largest Christmas store.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.