Mexico’s past and present come together in this party-friendly city and region on the Yucatan Peninsula. History buffs will love the restored Mayan ruins, vast archaeological sites and other cultural relics dating back more than 700 years. Adventure seekers rave about diving one of the world’s largest coral reefs, fishing the azure waters of the Caribbean, and hiking some of the most epic trails in all of Mexico. Yes, the area also is popular among partiers; every year it ranks among the top Spring Break destinations in the world. Because Cancun is tropical, it stays relatively warm through winter months, making it a great year-round escape.