One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Famously misunderstood wonder of the ancient world

The first archaeological site discovered by aerial photography.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Europe's largest prehistoric mound – burial site of a legendary king?

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

A fantastic castle rumored to be the birthplace of King Arthur.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Final resting place of John Middleton "The Childe of Hale."

Seat of the Duke and Duchess of Devonshire for centuries.

Eyam took steps to quarantine themselves and keep the plague from spreading.

6000-year-old site covered in more than 50 megaliths.

A perfectly running 230-year-old silver automaton and music box.

Huge winged monument in the United Kingdom.

Largest lake in Great Britain measured by surface area.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

Protecting the dead from opportunistic body snatchers.

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