La Palma (also San Miguel de La Palma) is the fifth of Spain's Canary Islands. This mountainous volcanic island is a natural wonder of tropical vegetation. Its coast is lined by jagged cliffs and plunging ravines, and its beaches are covered with black sand. Thanks to dry climate and the height of its mountains creating excellent observation conditions, La Palma has become the home of some of the world's largest telescopes, seated on the rocky ridge called El Roque de los Muchachos.

Oaxaca, nestled in the heart of southern Mexico, is a city where ancient traditions and vibrant culture thrive. Renowned for its rich history and indigenous heritage, Oaxaca offers a unique blend of pre-Columbian, colonial, and modern influences. The city's historic center, a UNESCO World Heritage site, is a testament to its past, featuring stunning colonial architecture such as the Santo Domingo de Guzmán Church, a masterpiece of Baroque art.

Boulder, a beautiful 2,500 foot high oasis of green lawns and clean trees-shaded streets where the sun shines over 320 days a year, overlooks the Lake Mead National Recreation Area. Recognized as truly a family oriented and community minded city, one only has to visit for a short time to confirm this reputation.

Peso da Régua, often called the gateway to Portugal's Douro Valley, sits along the banks of the Douro River and is surrounded by steep, terraced vineyards. The town has long been central to the production of the world-famous Port wine, and visitors can explore the rolling hills covered with neatly arranged grapevines that climb dramatically from the river’s edge. The town itself offers a quiet riverside charm, with narrow streets, historic buildings, and scenic viewpoints.

St. Louis is a major city in the state of Missouri, United States, located along the western bank of the Mississippi River. It is widely recognized for the Gateway Arch, which defines its skyline and reflects its historical role as a point of movement toward the western parts of the country.