This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

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

Scotland's only funicular railway is also the United Kingdom's highest.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

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.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

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

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A breathtaking flower tunnel bursts with beautiful golden blossoms.