An otherworldly art experience.

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The world's largest wooden structure.

This historic train station has been converted to a locomotive themed hotel.

An unusual cave filled with rare alien-looking aragonite formations.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

This lab's maddening silence is good for business but bad for sanity.

This aromatherapy shop and mini-museum cofounded by the Sigur Rós frontman documents Icelandic history through scents.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

The Hveragerði fissure runs through this unassuming shopping center.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

The final resting place of the controversial chess champion.

Though they may seem like simple stones, these rocks represent a ghostly legend.

Pick up this rock and become an instant legend.

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

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

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

Three columns of volcanic rock shoot out of the ocean.

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

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