The Jerónimos Monastery, located in Lisbon, Portugal, is a stunning example of late Portuguese Gothic Manueline architecture. Built in the early 1500s near Vasco da Gama's departure point for his first journey, it served as a resting place for the Portuguese royal dynasty of Aviz. With intricate sculptural themes incorporating maritime elements, this UNESCO World Heritage Site is a must-see for history and architecture buffs alike.