Karlovy Vary, nestled in the west of the Czech Republic, is renowned for its therapeutic thermal springs and charming architecture. The town's spa heritage dates back to the 14th century when Charles IV, the Holy Roman Emperor, discovered the healing powers of its mineral waters. Today, Karlovy Vary continues to attract visitors seeking relaxation and wellness at its historic spa resorts, such as the luxurious Grandhotel Pupp, a hallmark of classic elegance source.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

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.

Lithuania is a republic in northeastern Europe and one of the Baltic Republics. Vilnius, the capital and largest city, is in the southeast portion of the country. The climate is dominated by marine influences in the west, with cool summers and mild winters, but conditions are more variable in the eastern portion of the republic.