Iceland's only steampunk shop imagines a retro-futuristic world that never was.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

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

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

A little-visited waterfall in an otherworldly landscape.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A winding, blood-red tunnel of hardened lava navigable by foot.

The most powerful waterfall in all of Europe.

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

Climb right into the heart of this colorful Iceland volcano.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Rising from the sea like a stone monster.

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

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

Medicinal spa created with the discharge from a geothermal energy plant.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

Week-long block party becomes a competition for the best decorated street.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This semi-secret storybook hedge maze is also the oldest garden in the city.