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.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

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

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

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

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Banksy gives themself artistic license with this piece of London street art.

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

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

A student driver's nightmare.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

Fantastically decorated underground chambers built in the 1760s.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.