You don't have to spend lots of money and go out of the country to have a romantic honeymoon. There are many great locations to honeymoon in the continental United States. Why not have a unique honeymoon in a romantic treehouse? In Eureka Springs Arkansas there is The Original Treehouse Cottages. They have 7 great treehouses to chooses from that all have a hot tub, and a private deck. They also provide champagne and chocolates for their honeymoon guests. The treehouse's range from $145-$165 a night.
While you are in Eureka Springs you can go enjoy a day at the Eureka Springs Spa, go on a hike at Lake Leatherwood, and go to the Turpentine Creek Exotic Wildlife Refude.