🇺🇸 United States · Archaeological wonder
Hopkinton Dam and Spillway
The Hopkinton Dam and Spillway is a historic site at the eastern end of Hopkinton Reservoir in Hopkinton State Park in Ashland, Massachusetts.
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484 places in the atlas, 33 of them inscribed as UNESCO World Heritage.
🇺🇸 United States · Archaeological wonder
The Hopkinton Dam and Spillway is a historic site at the eastern end of Hopkinton Reservoir in Hopkinton State Park in Ashland, Massachusetts.
🇺🇸 United States · Archaeological wonder
Folsom Paleo-Indian (10,800 – 10,200 BCE) · Folsom Paleo-Indian
Folsom Site in New Mexico, United States is a Folsom Paleo-Indian (10,800 – 10,200 BCE) archaeological wonder attributed to Folsom Paleo-Indian culture.
🇺🇸 United States · Archaeological wonder
Governor Aker Observatory is an astronomical observatory, part of Eastern Arizona College's Discovery Park Campus (formerly known as Discovery Park) in Safford, Arizona (US).
🇺🇸 United States · Archaeological wonder
The American Lighthouse Foundation (ALF) is a 501(c)(3) non-profit organization founded in 1994 with a primary mission of lighthouse preservation.
🇺🇸 United States · Archaeological wonder
Mogollon Tularosa 1275–1300 CE · Mogollon
46 rooms in five caves 1275–1300 CE, Mogollon.
🇺🇸 United States · Earthwork
Disputed: either Adena 320 BCE–200 CE or Fort Ancient 1070–1200 CE (latest C14 favors Fort Ancient 1120 CE) · Adena culture or Fort Ancient culture
Quarter-mile (411 m) effigy mound in shape of serpent with oval head swallowing an egg, 3 ft high, coiled tail atop meteor-crater plateau above Ohio Brush Creek, largest surviving effigy mound in…
🇺🇸 United States · Archaeological wonder
building in Florida, United States
🇺🇸 United States · Archaeological wonder
The Hawaiian Volcano Observatory (HVO) is an agency of the United States Geological Survey (USGS) and one of five volcano observatories operating under the USGS Volcano Hazards Program.
🇺🇸 United States · Archaeological wonder
The Fairbanks Museum & Planetarium is a combination natural science museum, history museum, and planetarium located in St. Johnsbury, Vermont.
🇺🇸 United States · Archaeological wonder
The Bonnet Carré Spillway is a flood control operation in the Lower Mississippi Valley. Located in St.
🇺🇸 United States · Archaeological wonder
The Ashland Dam and Spillway is a historic site at the north end of Ashland Reservoir in Ashland State Park in Ashland, Massachusetts.
🇺🇸 United States · Earthwork
Late Archaic 1700–1100 BCE (peak 1500–1200 BCE) · Poverty Point culture
Late Archaic earthwork complex (1700–1100 BCE) with six concentric C-shaped ridges (1.2 km outer diameter) and six mounds, including 22 m-high Mound A – one of largest Archaic earthworks in North…
🇺🇸 United States · Archaeological wonder
former agency of the United States government
