Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The ruins of a once-grand castle that played host to a tournament with 100,000 attendees.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

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

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Originally intended as a temporary installation, this sculpture is now a permanent part of a stunning Scottish beach.

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

Where the sleeping monsters of Scotland's oil industry are left to rust.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

The most loyal of little dogs, or a Victorian era publicity stunt?

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Largest lake in Great Britain measured by surface area.

Britain's only herd of free-ranging reindeer.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

With a crest near 10,000 feet, this treeless fault-block mountain in eastern Oregon provides stunning views and spectacular glacial landforms.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

The steepest tramway in North America provides stunning views of the out-of-the-way Wallowa Mountains in northeastern Oregon.