Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Along this wire fence, travelers have been leaving a particular memento since 2012.

Three columns of volcanic rock shoot out of the ocean.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

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

Old Danish castle immortalized in Shakespeare's Hamlet.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.