A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

One of London's oldest houses contains a mixture of both old and modern features.

Likely the first car with an internal combustion engine constructed in the United Kingdom.

The Great Fire of London and the regulation of one-way streets both started in this alley.

A Roman spa buried deep beneath the City of London.

The last four extravagant street signs of London's historic banking street.

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

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

These Victorian era devil sculptures were designed to spite a local vicar.

An exercise in radical design and social living that became the epicenter of Soviet spy networks in London.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

The cedar tree in Highgate Cemetery earned its title by accident.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

This tiny alleyway is now a shrine to a subculture riot between the mods and rockers.

This concept building is the UK's first attempt at making a permanent structure of nothing but trash.

Tucked between a side street and a theater, this arch once led to a prestigious riding school, and now opens to a courtyard and community garden.