Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.

The capital of Ontario and Canada's largest city, Toronto is a vibrant destination on the banks of Lake Ontario. Highlights of this striking cultural capital include the looming CN Tower (featuring a revolving restaurant), Casa Loma, Toronto Island Park, Royal Ontario Museum, and Ripley's Aquarium of Canada.

Rwanda, often called the “Land of a Thousand Hills,” is a country of rolling green landscapes, misty mountains, and shimmering lakes. Its scenery is striking, with terraced hillsides and lush valleys stretching as far as the eye can see.

Nha Trang, located on Vietnam's southern coastline, is a vibrant city renowned for its stunning beaches and dynamic culture. This coastal paradise boasts a 6-kilometer stretch of golden sand along Nha Trang Beach, where turquoise waters meet palm-fringed shores, perfect for sunbathing and swimming.

Iguassu Falls, straddling the border between Brazil and Argentina, is a breathtaking natural wonder that captivates visitors with its sheer scale and beauty. This UNESCO World Heritage Site boasts the largest waterfall system in the world, with nearly 275 individual falls cascading over a rugged landscape.