There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

The Bristol Camera Obscura housed in an ancient windmill.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

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

The first archaeological site discovered by aerial photography.

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

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

This tangled English forest looks like something right out of a fairytale.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

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

Giant naked man on a hillside.

A ruined castle has more than its fair share of legends and ghost stories.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

This skewed English house has looked like it's going to fall over for centuries.

A perilous medieval road leading right into the sea.

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

A Neolithic burial site built 1,000 years before Stonehenge.

An open-air sewer system that was covered piece-by-piece over 300 years.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Moss and stone turn this waterfall into an otherworldly liquid veil.