This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

A historical puzzle lies at the origins of this structure.

A pair of connected skyscrapers form this symbolic gateway.

This sublime architectural marvel is a rare example of an expressionist church.

Copenhagen's celebrated theme park and gardens.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This Arctic storage facility is a secure backup for agricultural biodiversity.

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

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A warning against "the demon drink" adorns the northwest entrance of Glasgow Green.

Inscribed on the gate are the names of 29 figures from the University's first five centuries.

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

One of the first monuments dedicated to the accomplishments of the great Vice Admiral, Horatio Nelson.

Glasgow's own "tipsy" temperance monument.

A community's effort restores the historical Maryhill Burgh Hall.

The largest terracotta fountain in the world, built to commemorate Britain’s Victorian achievements.

This ancient holy well is older than much of the city that surrounds it.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A brother statue swap has adorned this building's facade for centuries.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

Twenty carved heads in Glasgow take a comical, modern twist to the medieval apotropaic, avenger of evil.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.