This private residence was the template for one of the most beloved television homes of all time.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A crumbling cathedral condemned by an earthquake.

The youngest volcano in Central America.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

An overlooked memorial honoring the local Washington residents who died in World War I.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Washington's iconic carousel has a nice piece of Civil Rights history.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

St. Augustine's record-setting narrow street was designed to protect against pirates.

It's a pretty creepy lock-up.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A monument celebrating the idea of reaching inaccessible places.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Located within a historic park, the beacon is the oldest standing structure in Miami.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Former villa and estate of James Deering developed to preserve native tropical forests.