This ancient fort overlooks the site of a disastrous retreat from the English Civil War.

Believed to be the birthplace of John Balliol.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

The oldest surviving glass furnace cone in Western Europe.

Once considered one of the country's finest motte and bailey castles.

In the middle of a barren moorland, the remnants of a lost British Space Age stand like a 20th-century Stonehenge.

This hilarious English intersection is an automotive whirlpool.

A section of a historic wooden trestle viaduct is preserved next to the railway line it once carried.

Cut into a sheer cliff face, these stairs are the only way to reach a secluded Scottish harbor.

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

This overgrown Victorian chapel made of corrugated metal looks utterly out of place.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

The overgrown ruins of this once majestic castle sit forlornly in the Scottish countryside.

This early Norman castle was the first historical monument protected by an act of Parliament.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

The oldest natural aquarium in the United Kingdom.

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

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

The site of one of the largest non-nuclear explosions in history, created when a massive bomb dump accidentally exploded.

A failed infrastructure project now owns this unique moniker.

The worst flood disaster in Welsh history might have been a lot worse if it had not happened on movie night.

A long-abandoned relic of World War II.