This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

A hulking remnant of Alaska's industrial gold mining boom in the 1920s.

A hidden tunnel of bones in one of Malta's oldest churches.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

The tradition of using flowers to decorate wells is once again thriving in England.

A hub of information on tropical diseases and their treatments.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Ancient pueblos built into the base of a natural canyon wall.

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.

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

A huge musical instrument played by the ocean.

Gold Rush-era tombstones line the park's paths.

A psychedelic labyrinth on the San Francisco bay.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Sloth rehabilitation center in the jungle of Costa Rica.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

A colorful statue honoring the local salmon in glass and bronze.

Seattle's own bad art museum located inside Cafe Racer.

A nondescript Seattle restaurant inherited a piece of European history.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.