On Aug. 21, America will fall under the path of a total solar eclipse.
It's already being called the Great American Eclipse, and for the first time in 38 years, the shadow of a total solar eclipse will cross the United States’ lower 48.
Photos cannot do it justice, the experts say.
To experience totality -- when the disk of the moon completely covers the disk of the sun, blocking all sunlight -- you need to travel to a location that is within the moon's shadow as it crosses the Earth.
So, you tell us: Will you be watching? We want to know how you're preparing and what you expect. Let us know by filling out the following survey.