
Sillustani
Massive pre-Inca burial towers built from stones too large and heavy to be lifted with known Andean tools.
What mainstream archaeology says
Sillustani is an Aymara burial site near Lake Titicaca, featuring chullpas (funeral towers) built by the Colla people before the Inca conquest.
What the evidence actually shows
The largest chullpa at Sillustani is made from massive stones that taper outward as they rise — a structural achievement that defies gravity. The finish work on the exterior blocks is smooth to a degree inconsistent with stone-on-stone polishing. A half-finished tower still sits at the site, abandoned mid-construction for unknown reasons.
Aaron's field photos






Photos taken by Aaron on-site
Key facts
- ◆Towers taper wider from base to top — the opposite of what stable stacking suggests
- ◆Some blocks weigh over 10 tons
- ◆One tower was abandoned half-finished — still unexplained
- ◆Located on a peninsula overlooking Lake Titicaca at 12,631 feet
Visit Sillustani
Aaron leads private expeditions to this site. Tell him it's on your list and he'll build the rest of the itinerary around it.
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