Plot: Castile sparkles with Roman Segovia, walled Avila, student-filled Salamanca, and holy Toledo! We marvel at El Greco, pop some explosive pickles, and ramble Spain's most awe-inspiring medieval walls. Then, just for fun, we drop in on a bachelorette party with local troubadours, slice and savor tasty jamon, stroll with the crowd, and grab a front-row seat to enjoy Europe's most enchanting square