London's Victorian Tower of Babel.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

English antique dealers with a taste for the unusual.

This pub has roots dating back to 1430 and serves as the setting for multiple Charles Dickens stories.

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

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This artificial lake surrounded by Brutalist architecture served as a stand-in for futuristic Britain in Stanley Kubrick's 'A Clockwork Orange.'

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

Two copies of a rejected Victorian-era lamp design still stand along the Thames River.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

London's old-school healing garden.

Two tombstones associated with the much-beloved children's story.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Above an abandoned Underground station, this charming bookstore is home to strange antiquities and literary works.

These former ticket office windows in London's underground now house pocket-size parks.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

For more than half a century, an enormous feline has watched over this London neighborhood.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.