A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The final resting place of soldiers' loyal canine companions.

This astronomical clock is the second oldest in England.

In a small courtyard resides this large mural that draws inspiration from Leeds and its history.

A museum devoted to the science of color.

Home to the ancient Roman temple of a lesser-known Celtic god that inspired J. R. R. Tolkien and H. P. Lovecraft.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.

Stroll through Welsh history in a village of reconstructed structures.

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

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.

Fascinating town where normal life interfaces with the occult.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

The oldest residential street in Europe also features an optical illusion.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

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

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.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The middle finger of modernity.