These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

This network of narrow, medieval passages has the most delightful name.

A circle stone within a stone circle.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

Enter the world under the hill at this ancient UK burial chamber.

These ornate arches show how the course of the River Thames has changed.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

An architectural oddity hides in plain sight on this iconic London bridge.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

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

Its collection includes a broad array of social, geographic, graphic design, and political history.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

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

England's most notorious suicide spot.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The final resting place of soldiers' loyal canine companions.

Fascinating town where normal life interfaces with the occult.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.