After public executions took place at this location, attendants would also attend a local horse race.

A public art piece that barely gets recognized, but then that might be the point.

Contrary to its heavenly name, this tranquil oasis has a dark and tragic history buried with it (quite literally).

This beautifully situated lakeside Roman settlement was likely built during the reign of the Emperor Hadrian.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

This tower is all that remains of a once-famed chapel.

An unofficial monument to the late King of Pop sits at the base of a Renaissance composer's statue

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

The remains of an ancient bathhouse sit inside this aptly-named pub.

Visit on a Sunday morning to see some killer tricks.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

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

A boutique perfumery fashioned to look like a Victorian-era shop.

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

The final resting place to 300 Victorian-era pets hides inside the city park.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

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

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

The medieval woodcut-style artwork chronicles life in medieval London.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

Dictionary Johnson’s favorite feline.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

Public access to clean drinking water was an instant hit among the masses.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.