The longest staircase lock in Britain.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

Believed to be the capital of the the ancient kingdom of Dál Riata.

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

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

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

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

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

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

The raised stones in the middle of this road through Culross are relics of a 17th-century class divide.

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

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

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

A British plaque explains that a house was built using the spoils of the first international golf bet.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This 16th-century house tells the city's history through old artifacts and quirky tales.

An ornate "graveyard" for some of the country's forlorn building relics.

Now home to a drinking establishment, this building has a macabre history.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

Dedicated to the Father of the British Fire Service.