This historic pub is a hidden gem for fans of Lewis Carroll.

These ancient ruins were the final resting place of King Henry II's mistress.

The only pub in the world surrounded by an ancient stone circle.

A rotting air force base is now home to rare birds and scarce plants.

A miniature village mimics the surrounding buildings so well it includes itself.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This ancient Egyptian obelisk still bears the wounds of World War I.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

Rare collection of medieval books under lock and key.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The commemorative stone column conceals a secret laboratory.

Seat of the Duke and Duchess of Devonshire for centuries.

The fences outside some of South London's estates are made from recycled World War II stretchers.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A petite castle folly in the English countryside.

The secret wartime bunker built on the platforms of an abandoned Tube station.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.