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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

There's an exclusive Beefeaters pub hidden in the Tower of London.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

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

A domino effect created with Britain’s iconic telephone boxes.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

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

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A relic of Victorian grandeur hides beneath a busy South London road.

This secluded walkway overlooks a magnificently wild London green space.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

English antique dealers with a taste for the unusual.

An artistic tribute to the famous singer, just around the corner from where he was born.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This coffee shop lies hidden beneath a historic church.

London's old-school healing garden.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

A mysterious artist-run cabinet of curiosities and library.