A sea cave with a waterfall and Viking past

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

A pub that is literally in the middle of nowhere, but continues to do business.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

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

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

A pagan tradition of draping trees with rags eerily lives on.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

Berlin's old airport.

Hundreds of enormous icebergs drift through this waterway every year.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.