Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Eerie ruins of an abandoned medieval fishing village crumble atop an unforgiving stretch of earth.

A popular Icelandic children's story comes to life inside this cave.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Beautiful hillside Vermont cemetery with amazing funerary art.

This beautiful, historic church looks like something out of a simpler past.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

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

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

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

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

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

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

Britain's only herd of free-ranging reindeer.

A scattered trail of street art adds a pop of color to the city's stark structures.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Largest lake in Great Britain measured by surface area.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.