>> theme parks today are benefitting from new technology each year. ten years from now who knows what they will have. we have pushed our limits. >> reporter: the newest, biggest and baddest rides taking over the nation, the drop of doom coming to six flags great adventure in new jersey this june, rising to an unprecedented 415 feet. only to rocket back to earth at 90 miles an hour. and in kansas city, the world's tallest waterslide at schlitterbahn waterpark is set to shoot four raft riders down 17 stories at highway speeds. a drop taller than niagara falls. not all is terrifying. but take the new capital wheel in suburban d.c. capturing a never before seen panorama of washington. >> the view is amazing. you can see the washington monument, even the smithsonian but don't look down if you are afraid of heights because it's a glass floor. if you want to ride in style,