American architecture reflects a diverse range of styles influenced by various cultures and historical periods. Key movements include Colonial, Federal, Victorian, and Modernist designs, each showcasing unique characteristics. For example, Colonial architecture features symmetrical facades and gabled roofs, while Victorian styles are known for their ornate details and vibrant colors. In the 20th century, Modernist architecture emerged, emphasizing simplicity and functionality. Notable architects like Frank Lloyd Wright and Louis Kahn contributed to this movement, creating iconic structures that prioritize open spaces and natural light. Today, American architecture continues to evolve, blending traditional elements with contemporary innovations.