Images are public domain, royalty free. Use however you like. Here are the originals on DropBox. I took these on various phones over the years. Other than compressing files, none of them have been altered.

Flowers in Phipps Conservatory, ice formations, Pittsburgh stairs and subway, more mushrooms, an overloaded car, a Texas stadium, and a squirrel.

Alaska cruise and flight, Texas flooding and parks, Seattle Kubota Garden, butterflies and a pet rat.