Yes, you'll find most room reservations are fully refundable as long as you cancel prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your arrival date. If you have a reservation that's non-refundable, you might be able to still cancel and get a refund within a 24-hour period of your booking. Add your dates and click on "Search", then use the "fully refundable" filter to get the best deals near Arch of Septimus Severus.