Amazing collection of folly buildings in Cobham, Surrey.

The Origin of On the Origin of Species.

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

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

This toxic spoil heap found a second life as a ski slope, popular film location, and wildlife haven.

Abstract dinosaur models in London.

The remains of Crystal Palace Great Exhibition of 1851.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

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

Eighty million natural history specimens call this gargantuan museum home.

Charles Babbage's proto-computer, painstakingly brought to life.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

Pop culture has helped to keep this iconic British building from being destroyed.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

London's Victorian Tower of Babel.

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

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Famously misunderstood wonder of the ancient world

A motley, fantastical agglomeration of unlikely houseboats along the Shoreham-by-Sea riverbank.