St. Kitts and Nevis, a twin-island nation in the Leeward Islands of the Caribbean, offers a rare combination of lush landscapes, colonial history, and vibrant local culture.

Fukuoka, Japan’s vibrant city on the island of Kyushu, offers a captivating blend of history, culture, and modern charm. Known for its welcoming atmosphere and rich heritage, Fukuoka is home to the impressive Fukuoka Castle, a historical site that offers a glimpse into the city’s feudal past.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Located along the James River, Richmond offers historic areas dealing with the early years of America.

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.