The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Enter the world under the hill at this ancient UK burial chamber.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

An emerald-green grotto just a short trip from Austin.

A crumbling hospital from the 1850s on Roosevelt Island.

Bohemian paradise covered in majestic forests.

A church of bones, decorated with 40,000 human skeletons.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

Elevated freight railway turned wildly successful urban park.

Macabre astrological automaton clock dating to the late 1400s.

One man's homage to the orange as realized through a long-term folk art labor of love.

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

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

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.