The childhood home of Earth's alien chameleon is a humble Brixton flat.

The commemorative stone column conceals a secret laboratory.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

This building contains a door only used by members of the royal family.

Hear the quietest sound from across the dome.

London's amazing modernist public square that never was.

Rebuilt remains of a temple to Roman god Mithras.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Take afternoon tea in a 17th-century almshouse.

This park is home to a collection of important industrial and religious sites.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

At the United Kingdom's only residential library you can sleep among the books.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

A monument with a strange legend involving a horse's tongue.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

These lamps were created to expel sewer gases after an event known as The Great Stink.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

An unusual stone chair can be found on the banks of the River Wear, not far from Durham Cathedral.