Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The world's longest known cave system.

New York's oldest magic store.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A modern day curiosity cabinet.

Two stunning 17th-century libraries and a cabinet of curiosities.

This structure among the trees was the result of divine inspiration.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.