Horse21 reservation system is connected to many hotels in USA. To book hotels in USA, go to the page of the city where you would like to book a hotel using the alphabet index on the right or choose a city from the Popular Cities list. The page of each city lists hotels of different categories available for booking through Horse21. Following a hotel's name link you will get to the hotel's page where you can read the hotel description, locate the hotel on the map, check the availability and book a room for the required dates.