Ecosystems

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

A giant repository of accidentally discovered cave paintings up to 30,000 years old.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Once-buried markers show England’s lowest land point keeps getting lower.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.