EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialMAMMOTH HOT SPRINGS. Travertine marble mountain and geothermal complex. Located in the YELLOWSTONE NATIONAL PARK (World Heritage). State of Wyoming. U.S.
EditorialToilet jar, Middle Kingdom, Dynasty 12, ca. 1900?1800 B.C., From Egypt, Memphite Region, Lisht North, cemetery south of pyramid below House 4:2, Pit 444, 1913?14, Travertine (Egyptian alabaster), h. 4.6 cm (1 13/16 in).