This mysterious, medieval cathedral remains unbuilt but fiercely protected.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

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

Walk in the footsteps of the gods and straddle two tectonic plates.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Three columns of volcanic rock shoot out of the ocean.

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

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.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

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

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

A bizarre roadside attraction and the first instance of miniature golf in the world.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

Follow the steps, and this roadside artwork will teach you how to dance.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Live long and prosper in Tennessee.

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

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Georgia's first brewery is also one of its oldest surviving buildings.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Just below the surface, shrimp are producing temperatures hotter than the sun.