Puerto Rico is a colorful and invincible archipelago. This U.S. territory, irrevocably shaped by colonialism and dramatic weather events, is awash in culture, with much to be learned in its art galleries and its centuries-old citadels. Capital city San Juan is the largest city and tourism hub. Visitors should see Old San Juan, the inviting beaches, and Museo de Arte de Ponce, among the finest art museums in the Caribbean.

The Temple of Horus at Edfu has a massive entrance pylon covered with sunk relief carvings. This Ptolemaic temple was constructed between 237 and 57 B.C.E.

Say "Aloha!" to the big city on Oahu's South Shore: Honolulu. This sunny capital city is the main portal to the larger Hawaiian archipelago, and the perfect base for exploring Oahu.

If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

South Carolina is well-known for its beaches and sea islands. Historic Charleston, a tourism hot spot, is notable for its plantations, colorful houses and Civil War flashpoint Fort Sumter. Myrtle Beach is another major destination, with its beaches, boardwalks and golf courses.