The decorations were inspired by an unlikely missing treasure.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

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

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

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.

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

A scrap-metal sculpture recalls an infamous 19th-century camel.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This small, unassuming street is now a canvas for color and creativity.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A mysterious spirit totem at the edge of Navajo lands.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Portlandia is the second-largest copper repoussé statue in the United States.

Granting the right of way to ships over surface traffic since 1917.