A surprising museum of 20th-century technology.

A steampunk airship "floats" above Hamilton Gardens delivering plants and compost.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

Step inside Lucy, the world's largest "elephant."

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

A science fiction-inspired apartment building designed by a famous Spanish architect.

A Milanese café entirely designed by the American director Wes Anderson.

Salt is slowly eating away this abandoned saltworks town in the desert.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

Perched atop the highest hill in Cartagena, this 17th-century convent offers spectacular views of the city.

One of the few surviving street funiculars in the world.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

More than 200 unconventional musical instruments that anyone can play.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

The colonial city's social history is reflected in its fanciful door knockers.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

One of the best examples of Art Deco architecture in the United States.

This short white tower is all that's left of Scotland's first permanently manned lighthouse.

An ode to the friendship between four Pacific Rim countries.

One man spent 10 years building a spectacular section of road because no one else would.

A hidden beach at the end of a tunnel of mangrove trees.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.