A lesser-known river port in the Mekong Delta, Sa Dec was once the capital of Dong Thap province of southern Vietnam. Today, it is best known for its flower gardens and authentic bustling market. The city is also famous as the setting for French writer Marguerite Duras' 1984 novel, The Lover, and its 1991 film adaptation of the same name.

On coastal Iceland, the globe's northernmost capital, Reykjavík, invites visitors to discover its unique charms. Iceland is rife with natural wonders: geysers, geothermic spas, waterfalls and the spectacular Northern Lights. Reykjavik, dating back to 870 AD, offers world-class museums, restaurants, shopping and nightlife.

Situated on the Isthmus of Panama, the tropical Republic of Panama is of course best known for its canal. Thousands of ships cruise through the Panama Canal locks each year. Visitors to the country will also find diverse wonders of nature, including plants, birds, and trees. Panama City, its capital, has over a million inhabitants and is a modern, bustling destination.

Olomouc, a captivating city in the Czech Republic, offers a blend of historical charm and vibrant culture. The city’s centerpiece is the Holy Trinity Column, a UNESCO World Heritage Site and a stunning example of Baroque architecture. Erected in the 18th century to commemorate the end of the plague, this intricate monument features elaborate sculptures and exquisite details that make it a must-see source.

The capital of picturesque St. Barthélemy, Gustavia is a veritable island paradise in the Caribbean. A former French colony, this small city on St. Barths’s west coast offers a variety of fine dining, designer shopping, and spectacular beachside activities to ensure a relaxing tropical getaway. Be sure to visit the historic site of Fort Karl for a panoramic view of Gustavia’s glittering harbor, then walk to Shell Beach to take a dip in warm, turquoise waters.