The capital and largest city in Hungary, Budapest is a favorite European destination for millions of tourists each year. Once the center of the Austro-Hungarian Empire, this cosmopolitan city and UNESCO World Heritage site has plenty of historical and cultural landmarks to explore.

Šiauliai, often referred to as the "City of the Sun" due to its high number of sunny days, is a vibrant gem in northern Lithuania. The city's most iconic landmark is the Hill of Crosses, a profound site of pilgrimage adorned with thousands of crosses placed by visitors over the decades. This unique and moving monument, which has been recognized by UNESCO for its cultural significance, symbolizes the resilience and spirit of the Lithuanian people.

Monteverde, which means "green mountain," is nestled high in the Tilarán mountain range of Costa Rica. The Cloud Forest is the home to a myriad of plants, mammals, insects, reptiles, and over 400 species of exotic birds.

Mount Kenya, the majestic volcanic mountain located in central Kenya, is a natural wonder that captivates visitors with its dramatic landscapes and rich biodiversity. As Africa's second-highest peak, standing at 5,199 meters (17,057 feet), Mount Kenya offers an array of trekking routes that lead adventurers through lush forests, alpine meadows, and glacial valleys.

Intended by Henry II, Duke of Bavaria to be the "second Rome", Bamberg is a gem of a UNESCO World Heritage site! The medieval layout of the city is still very well preserved, including the Altes Rathaus, which occupies an island in the Regnitz reached by arched bridges.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.