Tartu is celebrated for its vibrant cultural scene. The city's bustling Town Hall Square is surrounded by charming 18th-century buildings and hosts various events throughout the year. The Tartu Art Museum and the KGB Cells Museum offer fascinating insights into Estonia’s history and art.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

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.

Pamukkale is a fairyland of dazzling white, petrified castles. It is a magical and spectacular natural site, unique in the world. Thermal spring waters laden with calcareous salts running off the plateau's edge, have created this fantastic formation of stalactites, cataracts and basins.

Santa Cruz de La Palma is the capital of the island of La Palma, one of the seven Canary Islands. Although often forgotten in favor of the similarly named Santa Cruz de Tenerife, it is a compact and colorful colonial town well worth a visit. Swimming, paragliding, and hiking and some of the most popular daytime activities, while stargazing is a favorite pastime after the sun goes down.