A book bound in the skin of an infamous criminal, along with countless other specimens.

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

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A roadway designed for a visiting monarch.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

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

A free public golf course hides in plain sight in the heart of Scotland’s capital.

A rare remnant of an exposition that took place nearby at the end of the 19th-century.

This statue stands as a message against the ills of Apartheid.

These characters from a Robert Louis Stevenson novel stand in an unlikely place.

This king penguin is a knighted brigadier of the Norwegian Army.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

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

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.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

Catacombs turned marketplace.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

These fantastically named natural pools look like something out of a Scottish myth.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.