Time Tourists

Everyone loves dinosaurs, but so many other wonderfully weird (and often giant) animals used to roam the Earth too - they just never had as good a publicist. The planet has seen tons of bizarre-looking mammals, which were closer to us both in biology and in time.
What if they took a holiday from being extinct?
Take a trip around the globe with these outlandish time tourists as they visit the modern-day places they once called home!