A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The oldest operating pharmacy in the world features 800-year-old recipes.

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

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

A neglected and disused parking garage ramp has become home street artists to share their art.

A historic office and commercial building located in the heart of downtown San Francisco.

It's been called “Detroit’s largest art object.”

The last remaining houses of a bygone world immortalized by John Steinbeck in his novel “Cannery Row.”

A Provincetown shop that sells exactly one thing — a pink cupcake — and whose owner fought the town for the right to keep selling it.

An historic lighthouse accessible via a half-mile walk through a nature preserve and freshwater tidal wetlands.

An 18th-century battery complete with original kitchen and garrison.

In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

Lombard Street may be more famous, but this is the real “crookedest street in the world.”

Wander down a side street dedicated to one of the members of the Beat Generation.

The first transatlantic wireless communication between the U.S. and Europe took place here in 1903.

A public art installation featuring clawfoot bathtubs on stilts sparks admiration and controversy from locals.

This historic Union Pacific Railroad depot is a stunning symbol of American post-Civil War progress.