North Macedonia is home to one of the oldest and deepest lakes in Europe, Lake Ohrid, which is over three million years old and reaches a maximum depth of approximately 940 feet (286 meters).
Did you know that North Macedonia is home to the world's deepest underwater cave, known as the "Pionir" cave?
Lithuania is home to the Hill of Witches, a forested outdoor art gallery where hundreds of wooden sculptures and carvings depict characters from Lithuanian folklore and pagan traditions.