The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

Britain's oldest and biggest hole in the ground.

A fantastic castle rumored to be the birthplace of King Arthur.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

These fantastically named natural pools look like something out of a Scottish myth.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

A mysterious ruin shrouded in more folklore than fact.

An abandoned, desolate train tunnel that was used during World War II.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A single column facing the sea is all that's left of one of the most important temples of Magna Graecia.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

This WWII plane died a quiet death, and is now a garden eel playground.