PLANNING ON FLYING DOWN FROM TIJUANA TO SANTACRUZ BOLIVIA, CATCHING A TRAIN TO UYUNI TO TAKE A 3 DAY TOUR OF THE SALT DESERT, HEAD TOWARD VILLAZON BOLIVIA BY BUS TO CROSS THE BORDER AT VILLAZON BOLIVIA INTO ARGENTINA THEN FROM EITHER SALTA OR JUJUEY MAKE MY WAY TOWARDS BUENOS AIRES STOPPING AND VISITING POINTS OF INTEREST ALONG THE ROUTE. LEAVING TIJUANA OCT 19 AND ARRIVING BACK IN TIJUANA ON NOV 01. ESTIMATED AIRFARE ROUNDTRIP IS 814.00 DOLLARS, ANYONE WANT TO GO FROM THE TIJUANA AREA? BASICALLY WE WILL BE TREKKING FROM SANTACRUZ TO BUENOS AIRES! LOT OF FUN!