An unusual round church in London with a Templar past.

A memorial to a dog that inspired rioting in the streets of London.

Repository for more than 22 million pickled specimens.

The monster at the center of the Darwin Center Spirit Collection.

Where condemned pirates met their grisly end at the gallows on the River Thames.

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

This 1920s Dutch barge is now a floating bookstore.

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

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

A cluttered and astounding collection of antiquities and curiosities.

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.

This inn of the court provides a fascinating window into London’s legal and architectural history.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The anatomical-pathological collection of a man who changed surgery.

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

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

An ornate "graveyard" for some of the country's forlorn building relics.

Now home to a drinking establishment, this building has a macabre history.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.