EPOD - a service of USRA

09/13/24 Unnamed Arch in Zion National Park

07/24/24 Terra Rossa of Greece's Kokkinopilos Hills

06/28/24 The Vortex of the North Teepees

05/23/24 Calanchi Desert in Sicily

05/14/24 Pinnacles National Park: What 23-Million Years Can Do

04/30/24 Sunset Light at Arches National Park

04/23/24 The Pitons of Saint Lucia

04/11/24 Aboveground Lava Tube

02/21/24 A Dead Sea’s Ripples

02/14/24 Perceiving Colorado’s Red-Rock Kissing Camels

11/29/23 The White Domes of Canaan Mountain

11/27/23 Colorado’s Garden of the Gods

11/14/23 Prescribed Fire in Yosemite National Park

10/25/23 Needles Overlook, Utah

08/25/23 Yosemite Valley from Tunnel View

08/22/23 Sunrise at Zabriskie Point

08/17/23 Double Hoodoo in De-Na-Zin Wilderness

08/15/23 Nature Imitates Art

08/07/23 Conchoidal Fracturing in Sandstone

07/07/23 The Theater of Epidaurus

06/23/23 North Teepees

05/30/23 K-Pg Boundary in Oregon

03/28/23 Tafoni Weathering in West Virginia

03/02/23 Kings Canyon, Australia

02/24/23 Dance Hall Rock and Tafoni

01/18/23 Mushroom Rock State Park

01/02/23 Radial Stress Fracture

12/28/22 The Snake River’s Formidable Hells Canyon

12/16/22 Red Bar Natural Bridge, Utah

11/24/22 Below the Wasatch Range’s Storm Mountain

10/28/22 The Primeval Rocks of Unicorn Point

10/12/22 Arizona’s China Wall

10/04/22 Quechee Gorge in East Central Vermont

09/28/22 Fossil Lake’s Legacy at Wyoming’s Fossil Butte

09/20/22 Limestone Stratification near Modica, Sicily

09/14/22 Kodachrome Basin State Park, Utah

09/01/22 First Light on the Circle Cliffs Anticline

08/29/22 Idaho’s Gravity-Defying Balanced Rock

08/19/22 Carachipampa Volcano, Argentina

08/05/22 Mudcracks: Now and Then

08/03/22 Mantling on Utah’s Hogback Ridge

07/28/22 Idaho’s Granitic City of Rocks

07/21/22 Dungeness Spit Beach

07/05/22 The Castles of the Calchaquíes Valleys

06/17/22 Timpa Nature Reserve of Acireale

04/23/22 Archive - Great Sand Dunes National Park

04/11/22 Palmer Archipelago, Antarctica Reflection

03/26/22 Archive - Naatsis’aan

03/23/22 Great Salt Lake’s Mirabilite Mounds

03/19/22 Archive - Upheaval Dome