Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

It's said this was once the home of King James V's pet lion.

This Neolithic stone circle is the most complete of its kind in Scotland.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

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

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This tiny traditional smokehouse is the only one left in this historic fishing port.

This coin collecting cod is over 130 years old, and the United Kingdom's smallest listed structure.

The recreated ruins of a house designed to memorialize a World War I shelling on the town.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

A simple plaque remembers a California island massacre that claimed more than 100 lives.

An optical illusion found amid a logged redwood forest.

This massive redwood tree has a hole in the base big enough to drive through.

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

The lasting remains of a bygone era of open-air meat markets.

A display of everyday life in the area that was unveiled during the 2012 Summer Olympics.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

The remains of "the Pearl of Scotland" can be found inside this church.

This modern work of art was a refreshing addition to one of the oldest theatres in the city.

On the outskirts of Edinburgh, a trio of topiary created by one man over the course of more than 20 years.