There's plenty to explore and savor in this vibrant paradise on the Caribbean Sea, including numerous beaches, an assortment of water sports, and plenty of delicious eats and cocktails.

Graz, Austria's second-largest city, is a hidden gem that offers a perfect blend of history, culture, and modernity. Its well-preserved medieval old town, a UNESCO World Heritage Site, invites visitors to stroll through cobblestone streets lined with Renaissance courtyards and Baroque façades. At the heart of the city is the Schlossberg, a forested hill crowned by the iconic clock tower, Uhrturm.

Warnemunde (or Warnemünde) is a port city in Germany and a frequent stop on many Northern European cruises. Across the Baltic Sea from Denmark's capital, Copenhagen, this charming seaside city has a number of delightful attractions, including the Warnemünde Lighthouse, a variety of local shops along the marina, and surfing lessons on the beach.

This cultural capital and university city holds more than 2,000 years of history and is the cultural hub of Germany.

Costa Rica is a Central American tropical paradise beyond compare. The wildlife is colorful and memorable, from toucans to spider monkeys to sloths. Volcanoes, ziplines, and prime cycling, hiking and surfing opportunities are there for active travelers. For more relaxed vacationers, beaches and vibrant nightlife—from rooftop bars to romantic dining—await.