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

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

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

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The highest point in Washington state is a volcano covered in glaciers.

Stroll through a wonderland of stupendous moss-covered trees.

A walk through the historic city center, under the streets of Seattle.

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

A cave's rare beauty held a cavernous secret hidden underground.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

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

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A spiritual vortex among the red rocks in Sedona.