One of Europe's oldest libraries.

This overlooked street light once served as a KGB dead letter box.

These morbid carvings remind churchgoers of the inevitability of death.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Two plaques commemorate the site of Shakespeare's first theatre.

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

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

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

London's old-school healing garden.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Hear the quietest sound from across the dome.