A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

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

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

Scotland's first Masonic lodge may also be the oldest in the world.

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

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

The curious and tiny collection contains some very odd objects.

England's largest white horse isn't even white.

Legends surrounding this megalithic tomb range from giants to a dwarf named Trollid.

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

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

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

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

Fifty years of contamination in Scotland's waters.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

A massive Celtic cross secretly growing in an Irish forest.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

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

These remarkable cascades are the jewels of Upper Tees.

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

The sign announces the Scottish village's cosmic connections, as it's twinned with Glenelg, Mars.