The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The largest and most famous wax anatomical collection anywhere in the world.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A mysterious bridge over a sunken Roman road.

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

A working farm turned into a museum dedicated to the world's most unbelievably tiny cars.

A rotating bridge that carries a little canal over a larger one.

The last working windmill in the U.K. that has eight sails.

This historic club for wayward boys has shaped some of the biggest names in music almost as much as they have shaped it.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

In England, a barn-turned-wedding venue dates back to the 13th century.

In the ancient Woolley Woods, an art project promises access to new worlds.

A collection of throne-inspired sculptures dot the landscape of Wincobank.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

At the United Kingdom's only residential library you can sleep among the books.

The intended purpose of this unfinished Elizabethan building remains a mystery.

A locomotive that was captured as a prisoner of war is now recognized as a WWII memorial.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The tradition of using flowers to decorate wells is once again thriving in England.