Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The world's longest known cave system.

Iceland's tribute to its thankless civil servants.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of few lasting examples of the brief octagon craze that developed into folly.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

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

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

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

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