The 'world's craziest, beautiful cars'...
PLAY VIDEO Atlanta, Georgia (CNN) -- Italy has David, Paris has the Mona Lisa and now, Atlanta has the Firebird I XP-21. Don't laugh gallery snobs and car-haters: The automobile has vaulted from the streets to the lofty art world. Even if automobiles aren't your thing, the Firebird's bizarre wings and bubble cockpit are worth a peek. It's among 17 "concept cars" on exhibit at Atlanta, Georgia's High Museum of Art. Many of these are one-of-a-kind. When you first walk into the exhibit, it's clear these cars aren't designed for mere mortals. Every car has a price, and these are worth millions. But in reality, the unique nature of this collection makes them priceless in a growing market. Collectible car sales last year in the U.S. topped $1 billion. Gallery: Concept 'Dream Cars' on display Money aside, this exhibit really exemplifies America's long and fiery hot love affair with cars. Vandals flip smart cars upside down Why