The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

Shoreline strewn with the remains of ghostly fallen trees.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

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

A memorial for the mustachioed record-setting runner.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

This Native American settlement dates back to the Pueblo II period.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The fossilized remains of ancient California redwoods.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.