Tolong jelaskan mengenai San Agustín, Huila, Colombia. dari Daftar situs monolit raksasa

El Infiernito, pre-Columbian Muisca site. Colombia.

Gallardet dolmen or Pouget dolmen in Languedoc, France. Consists of a 12 metre long alley within a large tumulus. The main chamber is sill covered by three large capstones, and entry is made through a superb "oven door" entrance stone.

Puma Punku is part of a large temple complex or monument group that is part of the Tiwanaku Site near Tiwanaku, Bolivia.

Huge blocks, some weighing over 100 tons, at the Valley Temple.

45 Degrees, 90 Degrees, 180 Degrees at Rice University