Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

One of the largest open-pit copper mining operations in the entire country.

These modest Midwestern formations are kin to Niagara Falls' impressive cliffs, more than 600 miles away.

Turnip-shaped island just off the Michigan shore in Lake Huron.

This freshwater spring fills with 10,000 gallons of water per minute.

A comedy troupe's collection of bizarre humor.

Large one-man sculpture park in Michigan.

Reason for Michigan's potential diamond mine.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.