Enter the Forest of the Elves.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

A nerdcentric group and creators of the Nerd Prom.

An architectural oddity hides in plain sight on this iconic London bridge.

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

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

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

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

Neon artworks light up this dark Edinburgh tunnel.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

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

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

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

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

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A six-ton wedding present for the King of the Scots.