A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

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

A student driver's nightmare.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

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

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

East London art gallery showcasing contemporary art from Europe's Eastern Bloc.

Artists and musicians now rule over this former rail station.

Catacombs turned marketplace.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

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

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

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

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

Murals of the wild parties once held on the frozen River Thames.

A quiet memorial to those who died saving others in the heart of the City of London.

Hear the quietest sound from across the dome.