Once a year, thousands of naked cyclists flood the streets of a Seattle neighborhood.

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

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

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

100-year-old shipwreck you can walk up to at low tide.

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

Where Nor'easters go to die.

A public fountain that spouts "health water" from a nearby spring.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A massive sea stack famous for its appearance in The Goonies.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The flock of plastic poultry is an ode to the classic comedy staple.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.