Visit the Lac Rose

Submerged sunken forest in a turquoise lake.

The "river of five colours", turned red by aquatic plants between June and November.

Green railway tunnel formed by trees arching over a working track.

A calving glacier front you watch from a lodge deck — house-sized blocks crashing into the fjord every few minutes.

See the Kawah Ijen volcano in Indonesia, famous for its blue flames and turquoise crater lake

Visit the Colorful Lakelets (Kolorowe Jeziorka) in Poland, a unique natural phenomenon featuring lakes with vibrant colors due to chemical compounds from old mines

The highest tides on Earth, best watched among the Hopewell Rocks flowerpot stacks.

Sandy spit at Denmark’s northern tip where the Skagerrak and Kattegat collide.