Juneau's majestic sprawl and abundance of nature set it apart from most capital cities in America. Tourists arrive via air or water, many coming in on cruise ships.

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.

Comoros, independent state comprising a group of islands located at the northern entrance of the Mozambique Channel, between the African mainland and the island of Madagascar. Officially called the Federal Islamic Republic of the Comoros, the archipelago includes four major islands.

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 coastline of this mountainous island is dotted with chapels, olive trees, vineyards and small exotic coves.