This observatory within Europe's first dark sky park offers stunning views of the night sky.

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

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

Once considered one of the country's finest motte and bailey castles.

A baffling beast so absurd a town councilman called it "intellectual vomit in technicolor."

Street names don't get more "late capitalism" than this.

Attached to this castle is a local church.

Each section of this public work of art represents one of the city's guilds.

Visit the remains of a notorious Victorian-era correctional facility.

An 18th-century religious argument etched into stone.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Some believe that the stone once used to coronate Scottish kings resides inside this bar.

This building has survived for more than a century and remains virtually untouched.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Cambridge’s century-old outdoor swimming pool is tied for being the longest pool in the United Kingdom, but it is also unusually narrow.

These crumbling ruins are all that's left of the ancestral home of Clan Crawford.

The ruins of celebrated theologian Samuel Rutherford’s church, featured in a 1970s cult horror film.

The oldest natural aquarium in the United Kingdom.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The oldest floral clock in the world still functions today.