Situated on the equator and nestled beneath an imposing volcano, the rugged, sprawling, and vibrant city of Quito offers adventure galore. A South American gem and Ecuador’s capital, Quito combines the best of its Incan and Spanish influences in fascinating cultural attractions, and the city’s surrounding natural beauty will surely astound you.

Antigua and Barbuda are located in the middle of the Leeward Islands in the Eastern Caribbean. Antigua, the largest of the British Leeward Islands, is about 14 miles long and 11 miles wide, encompassing 108 square miles. Barbuda, a flat coral island with an area of only 68 square miles, lies approximately 30 miles to the north. The population is approximately 68,000 and its capital is St. John's on Antigua.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

The Beagle Channel, at the southern tip of South America, stretches between Chile and Argentina and offers one of the most striking maritime landscapes in the world. This narrow passage, framed by snow-covered peaks and rocky islands, connects the Atlantic and Pacific Oceans. Its waters are calm compared to the open sea, which has made it a historic navigation route for explorers and sailors for centuries.

Wertheim is an enchanting town on the banks of the Main River in Germany. A favorite stop on European river cruises, highlights of this charming destination include the Wertheim Castle and the town center, where you can wind your way down cobblestone streets replete with 16th century architecture. Venture outside of town and follow the Tauber River to Kloster Bronnbach, an immense and ornate monastery dating back to the 12th century.