All caves are underground, but there is more to these landforms than meets the eye! Water forms some caves, while volcanic lava forms others. Some have waterfalls, while others have huge stalactites and stalagmites. Find out all about these amazing landforms.

All valleys are long, low cuts in the earth, but there is more to these landforms than meets the eye! While rivers form most, glaciers and splits in the Earth's crust can form others. Some are at the bottom of the sea! Give beginning readers all the need-to-know information about valleys, including their characteristics, how they form, and where they can be found around the world.

"All canyons are deep, steep valleys, but there is more to these landforms than meets the eye! Rivers form some canyons, while the movement of Earth's crust forms others. To get to the bottom of the Grand Canyon in Arizona, you'd have to travel more than a mile! Give beginning readers all the need-to-know information about canyons, including their characteristics, how they form, and where they can be found around the world"--