In Northeastern Iceland lies something of an oxymoron: a steaming desert.

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

A sulfuric martian landscape that looks far better than it smells.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

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

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

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

Climb right into the heart of this colorful Iceland volcano.

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

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

Hollowed out cedar log tubs set in an ancient towering forest.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Only known mainland rookery of the threatened Stellar sea lion.

A volcanic fissure over two miles long and up to 70 feet deep.

The longest continuous lava tube in Oregon.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This frequently-photographed waterfall takes only a short hike to visit.

A massive sea stack famous for its appearance in The Goonies.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The seamy, underground secrets of Portland's criminal past.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.