One of the shortest streets in York has an especially odd name.

The artwork mysteriously appeared within an Edinburgh cemetery.

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

The final resting place of soldiers' loyal canine companions.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

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

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

Every drop of water in this 27-mile long reservoir was pumped up from the Columbia River using power from Grand Coulee Dam.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

The fountain marks the area where hundreds of accused witches were burned at the stake.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

This historic Mexican convent is home to a tree that grows crucifix-like thorns.

This art shopping center still boasts pieces of its past as a textile factory.

Meat and seafood are part of the frozen dessert flavors available at these legendary street stands.

One of the oldest hospitals in the Americas is now decorated in hallucinatory murals.