The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

A tiny museum dedicated to the world’s tallest true giant sits on an island he never set foot on.

An unpaid bill, a stolen stone, and a famous fashion designer rest peacefully alongside a heroine of Highlands history.

A close look reveals that the Scottish monument is just slightly off-kilter.

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

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

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

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

The remnants of a facade from a 19th-century market stall emporium.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

These upturned herring boats make nifty storage sheds for fishing goods.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

A mysterious shape catches the eye in this 16th-century painting.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

More than 700 species live within this murky marvel of a swamp on California's coast.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."