Pick CNN.com's destination on biofuel road trip

(CNN) -- CNN.com's Cody McCloy and his trusty colleague Brian Hardy want your input on where they should stop during their biofuel road trip from California to Georgia.

While they're road-testing the long-distance viability of biodiesel fuel made with renewable resources, Cody and Brian are looking for interesting roadside attractions.

What's most interesting to you? Space aliens, nuclear weapons, Western history or a mile-wide meteorite crater?

Vote on their road trip destination from these choices:

Roswell, New Mexico: This town is famous as the site of the 1947 Roswell "incident," which conspiracy theorists suspect was a massive cover up of the crash of an alien spacecraft. The town has turned that lore into a kitschy cash tourism industry. It's also not far from a government storage facility for defense-related nuclear waste.

Los Alamos, New Mexico: Speaking of nuclear... this destination will forever be known as the birthplace of nuclear weapons. Museums display authentic memorabilia surrounding the super-secret U.S. "Manhattan Project" in the 1940s to invent the world's first atomic bomb. See map of Cody's route »

Santa Fe, New Mexico: This city, founded around 1607, is the second oldest in the United States. It boasts remnants of Santa Fe's Wild West frontier days and has a Civil War legacy. Or, visitors can go thousands of years back in time to learn about the lives of ancient Native Americans.

Winslow, Arizona: The Eagles sang about it in 1972's "Take it Easy," and the town is so proud of that lyrical mention that it has a park in honor of the line "Standin' on the corner in Winslow, Arizona." The park is on a corner, of course. Also, Winslow is near Meteor Crater, called "the first proven, best-preserved meteorite crater on Earth." The 50,000-year-old crater is about a mile wide and 500 feet deep, according to its Web site.

Send your ideas on where Cody and Brian should enjoy some roadside attractions here.

Check one of the four choices in the Quick Vote box near the bottom of CNN.com's special report: American Road Trips.

All About Alternative Fuel Vehicles • New Mexico • Arizona