U.S. News Insider Tip: The Paseo del Arte Pass allows you to visit the Prado, Reina Sofia and Thyssen- Bornemisza museums for 32 euros (about $35), saving 20% of the three tickets' combined prices.

The Nomination files produced by the States Parties are published by the World Heritage Centre at its website and/or in working documents in order to ensure transparency, access to information and to ...