www.usa-reisadvies.nl  amerika vakantie’s op maat : door Liesbeth Rietveld USA -reisadvies.nl by Liz 
Back to nature Billings Yellowstone National Park Salt Lake City Bryce National Park Zion National Park Arches National Park Las Vegas Death Valley National Park Yosimity National Park San Francisco Totale afstand 1570 mile = 2530 km