A roadway designed for a visiting monarch.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The Tudor-style cottage in the middle of the square is not quite what it seems.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

This popular square's history as the former site of a church is right beneath your feet.

Makers and sellers of the original and finest York Ghosts.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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.

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

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A six-ton wedding present for the King of the Scots.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

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

The most loyal of little dogs, or a Victorian era publicity stunt?

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