It's a reliable go-to for planet zooming, location finding, and basic geo-analysis. But, unlike Google Maps, Google doesn't market it to general users much, so you may not have heard of it.

Google Earth lets you explore the world virtually in 3D via satellite images and interactive maps. Use it to find your house or famous landmarks.

Google Earth, the interactive digital globe known for its sweeping satellite views and exquisite 3D flyovers, is turning 20 years old this month. To celebrate two decades of helping people explore ...