This Neolithic stone circle is the most complete of its kind in Scotland.

Visible at low tide, this rusting vessel is one of the last surviving examples of the X-Class "Midget" submarines.

At high tide this strange footbridge appears to have no purpose whatsoever.

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

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

These sculptures of various animals adorn the building that houses one of the capital's least known museums.

One of Edinburgh's most popular works of street art is located well off the beaten path.

A remnant of the Roman army's presence on the coast of Scotland.

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

A trio of giant megalithic stones in the middle of a golf course.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

An ingenious way to immortalize the inventor of universal time.

A tribute to a child prodigy who died way too young.

These ancient symbols freckling a Scottish cliff remained hidden for centuries.