One of England's most famous churches hides a pair of little known architectural treasures.

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

A historic Georgian building and warm springs.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

The UK's largest private house was the subject of a long-lasting political dispute.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.

Before 1993, this historic-looking village—King Charles III's pet project—didn’t exist at all.

This 1913 single-screen cinema is a charming survivor in the age of the multiplex.

For over 500 years this timbered alms house has provided a home for elderly residents of Coventry.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

This Victorian gate contains cryptic inscriptions in Greek, Latin, and Hebrew.

English Protestants once criticized this enormous private chapel for being too ornate.

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

These ornate arches show how the course of the River Thames has changed.

An architectural oddity hides in plain sight on this iconic London bridge.

The remains of Crystal Palace Great Exhibition of 1851.

A village on the east coast of England that has almost completely eroded into the North Sea.

6000-year-old site covered in more than 50 megaliths.

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

A naturally mummified 2,000-year-old man.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.