Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

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

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.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

A little slice of Japan and its aesthetics in London's Holland Park.

On this headland lies a 19th-century lighthouse and historic gun battery.

A 14th century castle built on the seat of a mighty giant.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

This building contains a door only used by members of the royal family.

A pair of club-wielding guardians stand watch over London's first public clock to feature a minute hand.

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

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Taxidermied animals galore, by appointment only.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A roadway designed for a visiting monarch.

A former telephone box found new life as a photo booth and charity fundraiser.

A rare memorial paying homage to an altruistic woman from the 19th-century.

The remnants of a facade from a 19th-century market stall emporium.