Type an address. Get a LiDAR terrain read: rock ledges and overhangs, sinkholes, springs and seeps, and an interactive map. Uses USGS 3DEP data, so it works anywhere in the United States.
You will get a link that signs you in for 30 days on this device.
A scan takes roughly 10 to 25 minutes, mostly downloading LiDAR from USGS. You can close this page and come back; it keeps running.