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

Rippling sand dunes frozen in the Arizona rock.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

The first park built over a freeway is a brutalist masterwork.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A giant Troll lurks under one of Seattle's oldest bridges.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Elevated freight railway turned wildly successful urban park.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Christ's blood preserved in a Belgian town.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

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

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

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

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

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