VOLCANOES

CRATERS OF THE MOON
IDAHO, U.S.A
EL MALPAIS
NEW MEXICO, U.S.A
YELLOWSTONE
WYOMING, U.S.A
xXx
HELL'S HALF ACRE
IDAHO, U.S.A
THREE BUTTES
IDAHO, U.S.A
xXx
CATTLE CALL WALL
NEW MEXICO, U.S.A
SPOKANE FALLS
WASHINGTON, U.S.A