This one-room doctor's office has been moved twice, and now lives on as a museum.

These five Art Deco homes were meant to solve the "small house problem."

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The ornate structure is part of a building boasting more marble than the Vatican.

Britain's only herd of free-ranging reindeer.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A forgotten graveyard lost in the tangles of an overgrown garden.

Time stands still at this serene burial ground in the center of Budapest.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A self-built mosaic house and sculpture park.

Living trees form the structure of an open-air palace.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Op-art architecture designed for happiness.

The topiary maze at the Habsburg hunting lodge.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

When the rain falls, this drain system turns into a musical instrument.