The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

An annual festival celebrating Colorado's most famous frozen corpse.

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.

A sharp bend in a dramatic river canyon cut through red rocks.

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

A dramatic coastline that’s home to a rare pine tree.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

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

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

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

A tiny village church in dramatic surroundings.

Three columns of volcanic rock shoot out of the ocean.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

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

The oldest remaining frame residence in Minneapolis.

20,000 pieces in a Frank Gehry-designed building.

This unassuimng grain elevator, commonly confused for a smokestack, helped inspire the modern architecture movement.

The fifth-longest natural arch in the world, and the longest outside China.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.