This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

The oldest church in Inverness witnessed the brutal executions of many Scottish soldiers.

The longest staircase lock in Britain.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

A British plaque explains that a house was built using the spoils of the first international golf bet.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

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

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

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

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

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.

A sweet symbol marks the place where torturous executions were once carried out.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The final resting place of soldiers' loyal canine companions.

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

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

An iconic red telephone box turned tiny art gallery.

The last street gas lamps in Hong Kong.

An overlooked tribute to one of the most important peace deals in American history.