People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Largest lake in Great Britain measured by surface area.

A hands-off space for graffiti artists to hone and display their skills.

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

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

This extraordinary Viking artifact has traveled throughout the city.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

A magician and his beloved, pampered canine were buried together, within days of each other, due to a tragic twist of fate.

Enter this small nook and you'll be surrounded by 360 degrees of street art.

This 19th-century sanctuary was built atop a hill that once housed a Roman fort.

A sculpture dedicated to the Roman history steeped in a Scottish town.

A shiny sculpture celebrating the mighty mollusk.

An iconic red telephone box turned tiny art gallery.

The last remaining bottle-shaped kilns in Scotland stand alone in an Edinburgh suburb.

This contorting sculpture is the tallest in San Francisco.

The unbelievably opulent home built for an infamous newspaperman.

The oldest lawn bowling club in the United States.

Visible below the waves are memorials to the city's Gold Rush dead.

A huge musical instrument played by the ocean.

This print shop boasts one of the largest pinball arcades in San Francisco.

The remains of a 12th-century chapter house in Golden Gate Park.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.