This work traces a journey through the roots of the Brazilian Amazon, with a special look at the State of Pará and the complex geopolitics that shaped the exploratory expeditions of the region. The book unveils the historical antecedents of the Amazon, conquest and exploration that marked the world in ancient times. It is an invitation to reflect on the past, present, and future of the Amazon. May it serve as a warning and inspiration for Brazilians to defend their sovereignty, ensuring that its beauty and resources are preserved for future generations.