Cliffs full of fossils at the portal to England's Jurassic Coast.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

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

Pop culture has helped to keep this iconic British building from being destroyed.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

Three bridges straddle a stream, one stacked upon the other.

Largest lake in Great Britain measured by surface area.

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

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Museum about life, death, and cannibalism in the Stone Age.

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

The largest greenhouse in the world is home to over one million types of plants.

Eighty million natural history specimens call this gargantuan museum home.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

London's smallest police station is barely the size of a phone booth.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Hear the quietest sound from across the dome.

The signs of a long buried road can still be found hidden beneath a London sewer grate.