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.

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

Three columns of volcanic rock shoot out of the ocean.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

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

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

The Hveragerði fissure runs through this unassuming shopping center.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's tribute to its thankless civil servants.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

This stunning concert hall has become a symbol of Iceland's national recovery.

This former Moorish fortress and Catalonian royal residence now houses a hotel with magnificent views over Tortosa and the River Ebro

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

A river hides a charming medieval bridge.

Few symbols capture the spirit of Catalonia more vividly than its tradition of human towers.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A haven for book enthusiasts across the street from Retiro Park.