The building was originally a gas station built to resemble a Japanese tea house.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The only remaining historic maritime signal station in the United States.

Medicinal spa created with the discharge from a geothermal energy plant.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The final resting place of the great navigator, or maybe his brother.

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

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

An early 20th-century bullring converted into a modern shopping center.

This historic Boston building has gone from personal estate to porn theater and back again.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The site of Paul Revere's historic two lantern warning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A place to eat for on-the-run agents and espionage enthusiasts.

When you can't get to the Pacific, just go to Florida.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.