This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

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

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

The seamy, underground secrets of Portland's criminal past.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A small sculpture garden that provides a microcosmic representation of California.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

Medical and zoological curiosities for sale.

A couple turned their front yard into an artistic masterpiece.

San Francisco's newly reopened hands-on science museum.

Quite simply the largest tree in the world (by volume).

The legendary building that needed ghostly approval before being built.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The largest collection of two headed animals in the world.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A 90-acre park on former landfill that hosts an annual kite festival.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

A replica that won't float away.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.