Northern Ireland's church-turned-skate park.

The designer of this railway tunnel added a birthday present for himself.

Visit the WWII bunker where the British won the battle for the skies.

This unique, full-sized copy of the Bayeux Tapestry sports a few modern additions, including underwear.

Europe's largest prehistoric mound – burial site of a legendary king?

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

Luxurious hotel designed to stir the imagination of its many visitors.

An abandoned, desolate train tunnel that was used during World War II.

A quaint hamlet of nine cottages around a small green near Blaise castle.

The largest of only eight working transporter bridges left in the world.

The world's oldest model village.

In an isolated field near a dilapidated barn stands this chilling portrayal of the plight of the Nuba peoples of Sudan.

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

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

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

A 30-acre garden inspired by the principles of modern physics.

This giant wooden treehouse within a sprawling garden has its own eatery.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

The sign at the garden gate reads: "These Plants Can Kill."

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

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

Cycle, walk, or run up and down on an old historic railway path.