The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The abandoned transportation hub hides within the Glasgow attraction it once served.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

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

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

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

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

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

This replica Viking village was created for a film that was never shot and is now open to visitors.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The most powerful waterfall in all of Europe.

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

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This elegant arc of a waterfall marks a religious turning point.

The oldest church in Iceland is one of the few to feature ornate decoration.

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

A spiritual vortex among the red rocks in Sedona.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.