This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This Cold War missile launch site has been abandoned for 40 years.

This tree has witnessed nearly 1,000 years of history.

A 14-foot-tall Bigfoot statue stands guard over this café and filming location.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

Pause for an afternoon fika with sublime Scandinavian cakes and pastries.

On the edge of this small Washington Park, a piece of the Earth's mantle has come to the surface.

Eat your way from Ghana to Myanmar on this globe-trotting menu.

This fog-enshrouded, antique corner store sells individual slices of wedding-fancy layer cakes from a window.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

The founder of a utopian religious community based on the Golden Rule laid his son to rest on this grassy hill.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

Over 75 historically themed murals grace the walls of a small Washington city.

A tiny plaque hidden miles into the Washington wilderness is all that remains to honor a shipwreck that left 18 people dead.

Outside this souvenir shop is a statue of Bigfoot composed of volcanic ash, and plenty more to see inside.

The city's oldest Chinese restaurant offers local history and seriously good food.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

Nuclear reactor created the plutonium used on Nagasaki.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

This beautiful landscape is the only Sichuan-style garden outside of China.

An annual celebration of the infamous, unsolved skyjacking.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.