This medieval manor house was equipped with secret compartments for hiding priests.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

A tiny, heartwarming piece of art hiding in plain sight.

You can crawl inside this atmospheric 5,000-year-old tomb.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

The abandoned fishing village was swept right into the sea.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

This ruined 15th-century hermitage is steeped in myth and mystery.

A mysterious bridge over a sunken Roman road.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

An enigmatic natural rock formation with a manmade passage cut through the center.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

A remarkable medieval structure born from a 14th-century disaster.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

Stonehenge has nothing on Castlerigg’s views.