2465-amargosa-river-trail.jpg Will any rock roll down the hillside while I'm here? Thumbnails That big boulder perched up there might be the next to fall, one of these days Will any rock roll down the hillside while I'm here? Thumbnails That big boulder perched up there might be the next to fall, one of these days Will any rock roll down the hillside while I'm here? Thumbnails That big boulder perched up there might be the next to fall, one of these days Will any rock roll down the hillside while I'm here? Thumbnails That big boulder perched up there might be the next to fall, one of these days Will any rock roll down the hillside while I'm here? Thumbnails That big boulder perched up there might be the next to fall, one of these days

Look up, waaaay up...