An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

A hidden alley in urban Baltimore is a haven for graffiti artists.

A museum dedicated to exhibiting remarkable outsider art.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This free, take-a-book shop seems like a trick but isn't.

The trials and tribulations of marking Poe's grave.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

Pop culture has helped to keep this iconic British building from being destroyed.

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

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

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

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

One of the world's largest collections of pathological specimens.

A cluttered and astounding collection of antiquities and curiosities.

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

London's smallest police station is barely the size of a phone booth.

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