An entire city block built completely out of petrified wood.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

Just a man taking his prehistoric pet for a stroll.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

Annual convention held by the largest pyrotechnic community in the world.

One man's quest to save his town with a trail of record-breaking sculptures.

This solo operation offers the world's only whey wines in flavors such as chocolate-orange.

A sprawling cave network created by a lone lava tube.

The oldest tofu shop in the United States is a firm favorite with locals.

This natural marble cave is one of only five national monuments in Oregon.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.