This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Stroll through a wonderland of stupendous moss-covered trees.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Dramatic river bend surrounds a natural red-rocked pedestal.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A little-visited waterfall in an otherworldly landscape.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

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

Walk in the footsteps of the gods and straddle two tectonic plates.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

Exact replica of the ancient monument, but much, much lighter.