Perhaps the best example of real life Seussian architecture is at Las Pozas:
Las Pozas
Las Pozas ("the Pools") is a surrealistic group of structures created by Edward James, more than 2,000 feet (610 m) above sea level, in a subtropical rainforest in the Sierra Gorda mountains of Mexico. It includes more than 80 acres (32 ha) of natural waterfalls and pools interlaced with towering surrealist sculptures in concrete. Las Pozas is near the village of Xilitla, San Luis Potosí, a seven-hour drive north of Mexico City. In the early 1940s, James went to Los Angeles, California, and then...