The canine-themed book collection claims to be Europe's largest dog library.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

A brick foundation and piles of listing building materials are all that remains of this World War II POW camp.

Unusual British home built to disguise a water tower.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

The world's oldest model village.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

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

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

This dreamy street will transport you to wintertime in Victorian England.

An open air haven for tropical monkeys in the damp moors of the English country.

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

What was once England's second-richest abbey is now a haunting ruin.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

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

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

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