A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

The remains of Crystal Palace Great Exhibition of 1851.

Abstract dinosaur models in London.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

Modern commuters still pass through this 2,000-year-old Roman archway.

The oldest of the three remaining bridges in England with buildings on top of them.

Remains of a keep that was built shortly after the Norman conquest of England.

This English medieval castle is where King John died of dysentery.

These abandoned coal mine towers near Sherwood Forest might soon boast the U.K.’s longest zip-line.

The undercroft is a spectacular example of medieval Cistercian architecture.

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

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.

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

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

This hilarious English intersection is an automotive whirlpool.

Human-made caves excavated to hide a secret society of wealthy pagans.

Putting the "mod" in "modular" since 2000.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

A much-loved local landmark pays tribute to the shipbuilding past of this area.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A mysterious shape catches the eye in this 16th-century painting.