After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

A ceramic-tiled room at the Seelbach Hotel said to have secret tunnels used by Al Capone and a crowd that helped inspire F. Scott Fitzgerald's 'The Great Gatsby.'

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

Wander the locker-lined, terrazzo-floored halls and sleep in a former classroom at this unique inn.

This museum of miniature displays provides a journey through early American history.

A short hike into the mountainside forest reveals a decaying 1890s town.

The oldest city park in Walla Walla is home to hundreds of birds, from wood ducks to white peacocks.

Gold, silver, copper, lead, and zinc were once extracted at this abandoned mine near Lookout Mountain.

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

The crumbling remains of a gold mine that was operational in the 1930s.

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

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

This Spokane mansion and the stories within its walls have been brought back to life, thanks to careful restoration.

This unique library spans a mighty river.

Quirky movable sculptures have been racing through the town since 1983.

Remnants of a forgotten 1920s speakeasy and Prohibition-era murals were discovered in its basement.

Site of the greatest known waterfall that ever existed.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

A nondescript Seattle restaurant inherited a piece of European history.

This medieval village/restaurant perpetually celebrates the year 1376.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.