Started as a kitchen garden, now the second largest botanical garden in the world.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Local arts organization founded in a former church.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Beer lover's can-covered house.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

An underground magnet for ever-changing street art.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

A fake Transylvanian castle houses a cathedral of antlers.

Museum dedicated to the terror regimes of Hungary.

Once the home of a hermetic monk, this cave now houses a small church.