A copy of an ancient Roman distance marker that indicates the beginning of the Antonine Wall.

In 1990, this 37-foot red steel bottle sailed from New York to England.

The longest staircase lock in Britain.

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

Macbeth's infamous "Great Birnam Wood."

This enchanting hill is home to fairy lore and a sinister local mystery.

Perhaps the smallest monument dedicated to one of Great Britain's longest serving monarchs.

Described by William Wordsworth as a "World of Wonder."

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

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

Scotland's first free lending library, which protects literacy through inheritance.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

A tumbling waterfall near a narrow passage that was used to herd cattle for hundreds of years.

One of Scotland's earliest hydroelectric power stations.

A sculpture commemorating the "world's best mouser" in what is likely Scotland's longest-running distillery

A small, former industrial site overlooking Loch Kinardochy.

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

The site of the world's first modern seismometer.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.