An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A sea cave with a waterfall and Viking past

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

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

A glacial pothole was once a hideout for a notorious Scottish outlaw.

The longest staircase lock in Britain.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A remarkable feat of Victorian engineering across the Firth of Forth.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Famously misunderstood wonder of the ancient world

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The commemorative stone column conceals a secret laboratory.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This star-shaped artillery fort protected the mouth of the Thames from the 16th century to the Second World War.

Is this cat asleep or just pretending?

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

These sculptures were created by a 17th-century artist who had never seen an elephant.

A shoreline exhibit describing the disastrous first attempt by the French to colonize North America.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.