The cheapest hotel near downtown Salzburg, Austria is the Pension Elizabeth, with rates at $76 per night. Other options exist that are in the $90 range, such as Hotel Zum Hirschen and Amedia Hotel Salzburg. http://www.pension-elisabeth.at/
Nothing to close to the Grand Canyon is cheap but there are some good quality hotels near by. The best hotels near the Grand Canyon are Montelucia Resort and Spa, and Westin Phoenix downtown.
A cheap hotel in Brussel is the Hotel New Galaxy which is only $55 for one night. This hotel is suitably located near the airport and close to downtown although the rooms tend to be smaller and more worn down.
You can take help of a good working travel agency like mytoursuae that have their contacts to almost hotels.
There are four Days Inn hotels located in the Calgary, Alberta area. Three of them are situated close to the downtown region while the fourth lies about 10 miles northwest of downtown.
Look for hotels in downtown San Diego. You'll also find that hotels in other areas often have free shuttles to the zoo. Some hotels less than 2 miles from the zoo: Sommerset Suites Hotel Holiday Inn Express Downtown Days in Downtown Rodeway Inn Holiday Inn Downtown Sheraton Suites Downtown Doubletree Hotel Downtown La Pensione Hotel Se San Diego Courtyard San Diego Downtown Residence Inn San Diego Downtown
"Yes, after a quick search on the Hotels dot come website, a hotel room in Atlanta's price gets much higher as its proximity to the downtown core gets closer."
There are several Sheraton hotels in the Orlando area. For the purpose of this question, the Sheraton Orlando Downtown hotel can be found close to Highway 4 on West Livingston Street.
The Bills stayed at the downtown Marriot when I saw them play in '09.
The Sheraton Indianapolis City Centre Hotel received very good reviews on a booking website. Close second was the Crowne Plaza Hotel in downtown Indianapolis. The Indianapolis Marriott Downtown also received good reviews.
There are many good hotels near the Toronto Convention Centre. The Fairmont Royal York, The Renaissance Toronto Downtown Hotel, the Novotel Hotel and the InterContenintal Toronto Centre are all close to the convention centre.
The 'Cab Inn' chain has a couple of hotels e.g. http://www.cabinn.com/kbh/city/city.html - it centrally located (close to Tivoli and Central station), cheap and simple (a bit like the McDonald's of hotels)
There are a number of sites where one can find cheap hotel rooms near Princeton University. Sites such as Hotel Planner and the Hotels website will provide a wide range of choices in this area.