The broken skateboards that became a poignant memorial to a murdered skater.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's smallest police station is barely the size of a phone booth.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

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

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

A sweet symbol marks the place where torturous executions were once carried out.

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

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

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

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

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Britain's only herd of free-ranging reindeer.

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

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

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

The television series' iconic giant foot was borrowed from this classical painting.