Lisbon, the enchanting capital of Portugal, entices sightseers with its vibrant color, stunning Gothic architecture, and temperate weather. Easily traversed by foot or tram, the city’s distinct quarters and vivid cultural landmarks make Lisbon an excellent spot for exploration.

The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

Oman is an independent state extending along the southeastern coast of the Arabian Peninsula. Oman falls naturally into three physical divisions: a narrow coastal plain, ranges of mountains and hills, and an interior plateau.

The Maldives, a nation of islands scattered across the Indian Ocean, is known for its dazzling turquoise waters, white-sand beaches, and vibrant coral reefs. Stretching across 26 atolls, this tropical paradise is often described as one of the most beautiful places on Earth.

A true destination, Alyeska is Alaska's biggest ski area. At the summit sits Mt. Alyeska Roundhouse, the state's only mountaintop museum.