Antoni Gaudí was a prominent Spanish architect during the late 19th and early 20th centuries. He is known for his highly original designs that drew inspiration from nature and other architectural styles. Some of Gaudí's most notable early works included Casa Vicens, Palau Güell, and the Crypt of Colònia Güell, which featured innovative structural elements like parabolic arches and catenary vaults. During this period, Gaudí experimented with different materials and styles, integrating influences from Gothic, Mudejar, and other traditions. He is especially renowned for his masterwork, the Sagrada Família basilica in Barcelona, which he spent over 40 years designing and developing