Route 66: Clinton, Okla. to Albuquerque.

GMA's Kate Snow and her sister travel old Route 66.

Route 66: Clinton, Ok to Albuquerque, NM

GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
GMA's Kate Snow and her sister take a trip along old Route 66
Constructed in the 1970s, Cadillac Ranch in Amarillo, Texas, was built by Stanley Marsh 3. Ten antique Cadillacs are half-buried, headlights first, in the ground, and visitors are encouraged to add their own graffiti to the cars. (Kate Snow/ABC)
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