The final resting place to 300 Victorian-era pets hides inside the city park.

The homestead of American patriot John Adams.

Oldest synagogue in the United States.

From fortification to folly, this hilltop structure has undergone many changes in the last 800 years.

A historic hotel with many stories of haunted activity.

Now a museum, once the site of the longest act of civil disobedience in United States history.

Old 'Nutcracker' sculptures from 'Where the Wild Things Are' author found new life as a seasonal attraction.

This historic hub for labor unions has survived the city's changing landscape.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

One of the only cooperatively owned bars in the nation wears its eclectic history on its walls.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

Where else would a linchpin of post-colonial Native American cuisine anchor the menu but a museum?

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

This medieval village/restaurant perpetually celebrates the year 1376.

An ice cream parlor chain that caters to vegans and pinball fans equally.

"The House That Love Built" is shying away from "The House That Ghosts Love."

This popular bar has been blurring the line between normal and edgy for more than 75 years.

Couple's personal collection of pinball machines turned public pinball museum.