A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

This century-old cinema is complete with musical interludes and boasts a rare projection system.

Europe's official "zero-level," the equator of elevation.

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

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

This memorial to the thousands of Indian dead during WWI was callously used for target practice during WWII.

Regency-era excess on the English Coast.

Decrepit Victorian public lift is a white-knuckle ride.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

The history and future of cannabis.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

Ship-sized kinetic sculptural fantasy.

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

This medieval church tower has maintained its clockworks since the 16th century.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

This small collection of rare books was uniquely locked up for safe keeping.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

Giant, friendly pelicans in Central London, the most unlikely of places.

A famous burial ground with a history both grim and literary.

Legends say that this Art Deco apartment building almost became Hitler's British headquarters.