8. Gonzalo Pizarro
Gonzalo Pizarro, younger half-brother of Francisco Pizarro, led an ill-fated expedition in 1541 to find the mythical El Dorado. Accompanied by Francisco de Orellana, the journey through the Amazon was plagued by starvation and disease. Orellana eventually separated and navigated the entire Amazon River. This quest mirrored other Spanish searches for legendary riches. (britannica.com)
