Create a painting of a whimsical world where animals from around the globe come together for a grand adventure, traveling through fantastical landscapes and encountering new and exciting sights along the way.

Craft a vibrant painting that showcases a whimsical world of adventure. The composition showcases animals from different continents, such as African elephants, Asian pandas, Australian kangaroos, and American eagles. They journey harmoniously through imaginative terrains that contrast vividly, from soaring mountains to dazzling flower fields. Their expedition is full of wonder and fascination, encountering ethereal waterfalls, glowing caves, and shimmering rainbows. Each quirk and feature of this journey should be conveyed in a fantastical and mysterious manner, capturing the grandeur of their mission.