A series of 33 stone markers maps an ancient 55-mile transportation route.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

A sacred Ojibwe site covered in pictographs next to Lake Superior.

This Native American cemetery features decades-old spirit house hidden behind pine trees and moss.

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

Eulogizing an unknown man's unusual demise.

Get a taste of the Wild West and a glimpse into the gold rush in Goldfield's oldest continually-running business.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

In the middle of a remote desert town is a surprisingly opulent hotel.

An errant donkey ushered in a new era of mining in Nevada.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

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

Canyon walls shrouded in ferns.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

These cinderblock farmhouses were actually World War II radar stations in disguise.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The only ancient owl carving found east of the Mississippi.