[Answer] This petroglyph site with thousands of shapes and drawings is one of the largest in North America and is located on a cliff overlooking a major city in New Mexico.

Step 1 : Introduction to the question " This petroglyph site with thousands of shapes and drawings is one of the largest in North America and is located on a cliff overlooking a major city in New Mexico. "

...1. Legend Rock Petroglyphs 2. Petroglyph National Monument 3. Jeffers Petroglyphs 4. Newspaper Rock State Historic Monument