Spokane, Washington, nestled in the scenic Inland Northwest, offers an engaging mix of natural beauty and vibrant city life. Known as the "Lilac City," Spokane is celebrated for its lush green spaces and the stunning Riverfront Park, which features the iconic Spokane Falls and a variety of outdoor activities. The park's spectacular waterfalls and well-maintained walking trails provide a picturesque backdrop for visitors exploring the city's urban oasis.

Antigua and Barbuda, a twin-island nation in the Caribbean, is celebrated for its 365 beaches, one for every day of the year. Together, they offer a balance of culture, heritage, and natural splendor.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

Nestled along the south bank of the Danube, this historical Austrian city bursts with charm. A favorite stop on European river cruises, the city's most famous attraction is Melk Abbey, which dates back to the 11th century. The original Benedictine structure was lost to fires and foreign invasion, then rebuilt during the 18th century in lavish Baroque style, including a library and inner church covered in magnificent frescoes and gilded fixtures.

The largest Pacific seaport in Guatemala, Puerto Quetzal is also the gateway to Antigua, a well-preserved colonial city.