1001 Fifth Avenue is a post-modern design by the architectural firm of Johnson/Burgee. The avenue facade is entirely limestone, the other sides of the building are covered in buff brick and there is a huge mansard roof. This 22-story, 76-unit cooperative apartment building is located on Museum Mile, directly across from the Metropolitan Museum of Art. The building is full-service, white glove and features a concierge, full-time doorman and live-in superintendent. Pied-a-terres and pets are welcome.