What can you tell me about these areas, which are from 'Off the Beaten Path' -- Alibates Flint Quarries Nat'l Monument, Grapevine, Blackland Prairie Scenic Farm Road, Jefferson, Hueco Tanks State Historic Site, Fort Davis, Marfa, Monahans Sandhill SP, Fort Concho, Seminole Canyon SP, Lost Maples, Luckenback, Westcave Preserve, Brenham/Washington, Palmetto SP, Varner-Hogg, Padre Island, Gladys Porter Zoo.