Redhawk Caldera because reasons

He expected her to feign offense at the idea of getting fat, though Fox went right along with it. Peregrine pictured her with a little potbelly and chuckled. She would look so adorable when she was heavy with pups. And if he teased her, she probably wouldn't be able to do anything but waddle indignantly. Not that Peregrine intended to do much of that, of course...

"Maybe we should make some slides for you to use to get down the caldera," he mused, though that gave him a flashback to her fall right after discovering the place. "Or I'll just carry you up and down. Even when you're nearly due, I doubt you'll weigh more than a feather. It'll be no problem," he quipped, rolling a shoulder.