There’s some debate as to whether the Red pyramid itself is even a tomb at all, given the same Pharaoh (Sneferu) also constructed the Bent and Meidum pyramids a

There’s some debate as to whether the Red pyramid itself is even a tomb at all, given the same Pharaoh (Sneferu) also constructed the Bent and Meidum pyramids and there’s no evidence of a sarcophagus or other burial equipment in any of them. Which we wouldn’t know if we had never explored them.