A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

A remarkably well preserved tower dating all the way back to the Iron Age.

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

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.

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

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.