Just Bluffing – Courthouse Butte Trail, Sedona, Ar… On the Trail – Courthouse Butte Trail, Sedona, Ari… A Study in Ochre – Courthouse Butte Trail, Sedona,… The Layered Look – Courthouse Butte Trail, Sedona,… Fire Wood – Courthouse Butte Trail, Sedona, Arizon… Prickles – Courthouse Butte Trail, Sedona, Arizona Pinnacles – Courthouse Butte Trail, Sedona, Arizon… Rock Chimneys – Courthouse Butte Trail, Sedona, Ar… The Back of the Butte – Courthouse Butte Trail, Se… Just Before Sunset – Airport Mesa, Sedona, Arizona Just After Sunset – Airport Mesa, Sedona, Arizona "Hairalinas" – Sedona, Arizona The First View – Lipan Point, Grand Canyon, Arizon… Over the Edge – Lipan Point, Grand Canyon, Arizona The Exercise of the Point – Lipan Point, Grand Can… A Long Way Down – Lipan Point, Grand Canyon, Arizo… Far Horizon – Lipan Point, Grand Canyon, Arizona The Watchtower, Take #1 – Desert View, Grand Canyo… The Watchtower, Take #2 – Desert View, Grand Canyo… Dwarf Forest – Desert View, Grand Canyon, Arizona A Filigreed Screen – Desert View, Grand Canyon, Ar… Monochrome with Colours – Desert View, Grand Canyo… Piering into the Distance – Desert View, Grand Can… Bell Rock Up Close – Courthouse Butte Trail, Sedon… Bell Rock – Courthouse Butte Trail, Sedona, Arizon… Courthouse Butte – Courthouse Butte Trail, Sedona,… Dragonfly Statue – Sedona, Arizona The Butterfly Girl – Sedona, Arizona Upper Town – Sedona, Arizona Red Rocks Come in Bunches – Sedona, Arizona Red Rocks With a Dusting of Snow – Sedona, Arizona Caving In – Montezuma Castle National Monument, Co… Upreach – Montezuma Castle National Monument, Coco… Cliff Dwellings – Montezuma Castle National Monume… Playing the Bones – Bronx Zoo, New York City, New… Honey Bee – Bug Carousel, Bronx Zoo, New York City… Cicada – Bug Carousel, Bronx Zoo, New York City, N… Praying Mantis – Bug Carousel, Bronx Zoo, New York… Grasshopper – Bug Carousel, Bronx Zoo, New York Ci… Weeping Cherry Blossoms – United States National A… Tracking and Data Relay Satellite – Smithsonian Na… Benoist-Korn Type XII – Smithsonian National Air a… "Tante Ju" – Smithsonian National Air and Space Mu… Expérience de Dijon – Smithsonian National Air and… Concorde – Smithsonian National Air and Space Muse…