100 years later, they're still down there.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

Home to the only outdoor municipal elevator in the United States.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

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

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.

A Roman-style column in Oregon hides a spiral staircase inside.

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

Where Nor'easters go to die.

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

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Almost half-way between the Equator and North Pole.

This pebble beach is so beautiful that taking its rocks is against the law.

Vikings and Evangelicals have both had a hand in this replica medieval church.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The home of 1.5 million wood letters for printing is still a functioning workshop.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.