South America, the fourth largest of the earth's seven continents (after Asia, Africa, and North America), occupying about 17,819,100 sq km (about 6,880,000 sq mi), or about 12 percent of the earth's land surface.

Its legacy as the former imperial capital of Vietnam is just one of many reasons to visit Hue.
For more than a century, the emperors of the Nguyen dynasty (1802-1945) ruled from the Forbidden Purple City, the innermost enclosure of the citadel. Today, this complex is designated as a UNESCO World Heritage site and draws millions of visitors each year.

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.

From Yellowstone National Park to the towering peaks of the Grand Tetons, Wyoming is home to some of the most dramatic and diverse landscapes in the country.

Sisimiut, Greenland's second-largest city, offers a captivating glimpse into Arctic life and stunning natural beauty. Nestled on the shores of the Davis Strait, Sisimiut is renowned for its striking landscapes and rich cultural heritage.