Yes, you'll find most hotel bookings are fully refundable if you cancel prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of the scheduled arrival. If your reservation is non-refundable, you may still be able to cancel and receive a refund within a 24-hour period of booking. Add your dates and click on "Search", then you can filter by "fully refundable" to get the best options available near History Museum.