A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

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

Two massive rock outcroppings on the Oregon coastline.

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

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

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

A giant sculpture dedicated to a staple of South Bend food culture.

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

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.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

This playground sculpture of an icon from the past is dedicated to the children of the future.

Obscure Freemasons still live in D.C.’s largest private residence.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

Before Nixon, "watergate" meant canals.

This historic boathouse was constructed using salvaged lumber from burned barns.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

At 207 feet, one of the world's longest continuous escalators.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

Also known as the Founding Church of Scientology.