Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This hilarious English intersection is an automotive whirlpool.

An artistic tribute to the famous singer, just around the corner from where he was born.

This historic abandoned train station looks like a stop for ghost trains.

A petite castle folly in the English countryside.

Picturesque ruins once held off mighty armies.

The decaying ruins of Wales' first asylum for the mentally ill.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The longest and tallest aqueduct in Britain can actually be sailed across.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The Bristol Camera Obscura housed in an ancient windmill.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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

Recently restored menagerie of Victorian-era beasts.

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

Detailed sandstone carvings show an array of symbolism and adorable animals.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

A modest stone circle in North Wales.

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

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Come for the speed, leave in love with the desert.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.