Most-visited and most-photographed slot canyon in the American Southwest.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

A desert that evokes the surreal.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

The world's northernmost aquarium looks like it has fallen over.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

These enlarged egg sculptures represent the native birds of eastern Iceland.

This stunning concert hall has become a symbol of Iceland's national recovery.

This black church sits alone among a field of lava rock.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The summer tourists on these cliffs are thousands of seabirds.

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

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

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

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 elegant arc of a waterfall marks a religious turning point.

A more chill but no less fascinating version of the famous ancient archeological site.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.