🇺🇸 United States · Rock art
Sego Canyon Rock Art Galleries
Archaic to Historic (4000 BCE – 19th c.) · Archaic Desert (BCS), Fremont, Numic Ute
Book Cliffs triple-gallery BCS ghosts, Fremont and Ute horses in one wash.
🇺🇸 United States · Rock art
Newspaper Rock Petroglyphs
Basketmaker to Historic Ute (500 BCE – 1850 CE) · Basketmaker-Anasazi (Ancestral Pueblo), Fremont, Navajo, Ute
Utah Wingate cliff 650 figures 500 BCE–19th c. palimpsest from Basketmaker to Ute.
🇺🇸 United States · Submerged site
Beringia – Drowned Land Bridge
Pleistocene (exposed 36k–11k; fully closed 21k–14k cal BP brown/green zones) · Paleolithic Siberian / Paleo-American / Dyuktai / Clovis ancestors
36k–11k BCE steppe isthmus Alaska–Siberia now 53 m under strait — 2023 cores re-imagined as tundra, not grass.
🇺🇸 United States · Archaeological wonder
Fajada Butte
Pueblo II–III Bonito 1000–1150 CE · Ancestral Pueblo (Chacoan)
Chacoan Sun Dagger butte: three slabs create dagger beam on spirals marking solstices and lunar standstill.
🇺🇸 United States · Rock art
Jeffers Petroglyphs
Archaic to Protohistoric (7000 BP–1700 CE) · Paleoindian through Dakota
Midwest's largest petroglyph site: 4000 carvings 7000 BP–1700 CE on quartzite outcrop tracing 7000 years.