Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The heads of two giant mythological water horses honor Scotland's horselord past.

From here, the loch appears to take the shape of mainland Scotland.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Macbeth's infamous "Great Birnam Wood."

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

It's said this was once the home of King James V's pet lion.

These formal gardens were designed to be admired from the vantage point of the castle.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

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

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

This mountain is one of the largest in Scotland but is better known for its hollow insides.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This unusual statue overlooking the Royal Mile has an interesting backstory.

The fountain marks the area where hundreds of accused witches were burned at the stake.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.