This series of Scottish caves has no clear purpose other than baffling historians.

A painted tribute to an ancient Egyptian king lurks along a stretch of Scottish shore.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

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

An optical Illusion once believed to be an electrical phenomenon.

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

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

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

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

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

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

Largest lake in Great Britain measured by surface area.

This stately estate house features a tower covered in a bright, modern mural.

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

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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