A 18th century graveyard and its astonishing cortege of macabre iconography.

A book bound in the skin of an infamous criminal, along with countless other specimens.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

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

This Scottish bridge seems to compel dogs to leap to their death.

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

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

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

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

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 tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This Scottish burial tomb once held hundreds of ancient eagle bones.

A magnificent, iconic stone tower in the Scottish Highlands.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Hidden in a Scotland museum is a copse of extinct tree stumps.