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

The Birthplace of the Englishman who founded the A.C. Milan football club.

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

The last surviving roundhouse in the United Kingdom also plays host to a popular annual beer and music festival.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

The English Civil War began right here in 1642.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

These formal gardens were designed to be admired from the vantage point of the castle.

It's said this was once the home of King James V's pet lion.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

Tucked away in this local museum is a piece of sporting equipment that dates to the 16th-century.

The main residence of the Erskine family and the hereditary keeper of the nearby royal Stirling Castle.

This figure of a local merchant is said to reanimate and do a dance during Hogmanay.

A distinctive building that incorporates a mythical beast into its architecture.

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

This life-size monument honors the legacy of a famous literary feline.

This sprawling, Brutalist estate feels like a city within a city.

London's amazing modernist public square that never was.

The commemorative stone column conceals a secret laboratory.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

The Great Fire of London and the regulation of one-way streets both started in this alley.

This hidden green space is the city's second largest conservatory.