This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

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

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

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

These unique and ever-changing caves are a wonder of Iceland.

The most powerful waterfall in all of Europe.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

Rising from the sea like a stone monster.

Akureyri is home to an oversized can of one of Iceland's favourite beers.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This elegant arc of a waterfall marks a religious turning point.

A little-visited waterfall in an otherworldly landscape.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

This Neolithic stone circle is the most complete of its kind in Scotland.

Designed as a reminder of one of the darkest moments in Austrian history.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.