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.

The Ring of Kerry, a 179-kilometer circular route in County Kerry, Ireland, offers travelers a journey through rugged coastal cliffs, remote villages, and winding mountain roads. Starting from Killarney, the route moves clockwise through towns like Kenmare, Waterville, Cahersiveen, and Glenbeigh, each offering its own slice of Irish life. Though often explored by car or tour bus, cycling the route is growing in popularity, especially during spring and early autumn when traffic is lighter.

Highest mountain in New Zealand, located on the South Island, it stands 12,349 ft

Home of Mark Twain's boyhood home, Hannibal is a quaint Missouri town located on the Mississippi River and a popular stop for river cruises.

Latvia invites visitors to explore a land where medieval streets meet vast forests and a lively coastline. Riga, the country’s capital, is home to one of the largest and best-preserved collections of Art Nouveau architecture in Europe. Walking through the Old Town, visitors can admire intricate facades and cobblestone streets that lead to landmarks like the House of Blackheads and St. Peter’s Church, whose tower offers panoramic views of the city.