On this spot Lord Kelvin allegedly discovered absolute zero.

This emblematic representation is said to bring the students good fortune.

A public art piece that barely gets recognized, but then that might be the point.

The world's first experimental nutritionist is memorialized as the "Hippocrates of naval medicine."

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.

This extraordinary Viking artifact has traveled throughout the city.

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

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.

Designed to illustrate two parts of the human psyche.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

The location of a citizen uprising that led to a gruesome act of mob justice.

Dedicated to the Father of the British Fire Service.

A bronze statue of a low three-legged seat commemorates a piece of furniture that started a riot.

The oldest floral clock in the world still functions today.

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

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

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The stately remains of Llywelyn the Great's mighty fortress.

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

One of the few surviving street funiculars in the world.

In a resort town where the real Alice spent her summer holidays, iconic characters create a curious trail.