Go deep down into the earth to experience the world of Welsh coal miners.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

The world's largest collection of garden gnomes lives among the trees and wildflowers on this woodland reserve.

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

A circle stone within a stone circle.

Legend says this ancient pagan site can cure all ailments.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Perhaps the only prehistoric monument with its very own public bus stop.

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

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A open air theatre built on a cliff by an eccentric British woman.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

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

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

A lone pole once used to display a man's corpse now stands empty, but the memory remains.

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

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Twice a year, this Orkney town hosts a rowdy game of medieval mob football.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

An avant-garde artist is survived by his seaside garden.

The Natural History Museum that time forgot.