Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It houses the remains of a 17th-century version of the Titanic.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

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

A shrine built to combat the bad karma of a commercial venture.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

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

A close look reveals that the Scottish monument is just slightly off-kilter.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

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

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

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

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

Largest lake in Great Britain measured by surface area.

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

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The heads of two giant mythological water horses honor Scotland's horselord past.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

360° views of the city plus five floors of optical illusions and hands-on science.

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