California's "Big Four" railroad tycoons built the Hotel del Monte to be the most elegant seaside resort in the world. Although it boasted 126 landscaped acres when it was constructed in 1880, pampered guests, including presidents and kings, stars and magnates, needed a larger playground. Owners added the 7,000-acre Del Monte Forest and 17-Mile Drive, planned to optimize picturesque spots along the Monterey coast, like Cypress Point and Pebble Beach...