Sitka is accessible only by air or sea, giving visitors a real taste of this wild frontier. Sitka offers incredible scenery, fishing, hiking, and abundant wildlife. 22 of Sitka's buildings and monuments appear in the National Register of Historic Places.

A Caribbean island paradise, Cozumel lies a short distance from Mexico's Yucatán Peninsula. Visitors can enjoy a variety of activities, whether taking advantage of world-class snorkeling and scuba diving, swimming with dolphins, or lounging with a drink at one of the island's seaside resorts.

This Sicily harbor city is divided from Italy proper by the Strait of Messina. Visitors marvel at the Gothic, bell-towered Norman Messina Cathedral.

The Netherlands Antilles refers to a group of island territories in the Caribbean, formerly a constituent country of the Kingdom of the Netherlands. Though their legal statuses now differ, these islands are still commonly referred to collectively: Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba.

Capri, a jewel of the Tyrrhenian Sea, has long been a favorite retreat for emperors, artists, and writers. This enchanting island off Italy's Amalfi Coast captivates with its dramatic cliffs, turquoise waters, and timeless elegance. The most iconic sight on Capri is the Blue Grotto, a sea cave illuminated by a magical blue light created by sunlight passing through an underwater cavity.