At almost 1,000 years old, this is the oldest known door in all of Britain.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The remains of Crystal Palace Great Exhibition of 1851.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Remnants of a Victorian garden feature sitting in public woodland.