Ed I.
Yelp
http://www.heritagepark.ca/
If you live in or around the city of Calgary, I'd recommend getting a family annual pass. In just two visits the pass will already be paid for.
I've been coming to this park for decades now, and I enjoy it very much. The park has gone through extensive renovations as well. This is most evident at the front of the park, where the two restaurants are located (Railway Cafe, Selkirk grill). in between the two are some nice little stores.
When arriving at the park, drive through and around until you get to the front. There you will be able to drop off any guests or family members, then find yourself a parking spot. Parking during the week, is never an issue but the weekends can be quite busy. If you do find yourself going on the weekend, you can park at the far east end of the parking lot. (closest to 14th street) A trolley car can take you to the front admission gate. The trolley costs $1.00, or if you're an annual pass holder its free to ride. (Also a parking lot as you first drive up just past the lights off 14th and Heritage) This is mainly overflow parking, and is a bit of a walk. (Trolley does stop here though).
Upon entry Gasoline Alley, will be on your right hand side. My recommendation would be to stop in on the way our of the park. If its been a long hot afternoon, its a good place to cool a bit and use the restrooms before heading home.
After passing the Gasoline Alley, and garage you head up this long sidewalk which is dated starting in the present decade and as you get closer to the park you will find the numbers slowly getting closer to the period of time in which the park is representing.
If you have children or are a kid at heart head straight to the rides. They're easy to spot. Just look west after the railway crossing, and you'll spot the Ferris Wheel. They have a few rides here including the Wheel, Caterpillar, Swings, The Whip, and a swing. They even have a mini ferris wheel for toddlers.
In trying to keep this review a little more on the short side, I'm going to highlight more of the things most people miss while visiting the park. Try to walk the perimeter of the park, they have some neat little buildings and machines on display. (also some park benches to relax and look out onto the Glenmore Reservoir. Also when catching a train at one of the various train stations, read where the train sops next before catching it. Certain trains do a full circle around the park, and others will stop at every station. It can either be a nice full circle train ride, or a slow boring ride, if you stop at every station to let passengers off then to load more on.
Also don't miss the Indian village, and as you go past the Hudson's Bay company down the dirt road are more buildings to look in and a store as well.
Then walk around the more inner parts of the park, there you will find the Wainwright Hotel, candy store, pool hall, bakery etc. The bakery is a very busy place, most times is lined up on weekends. have a butter tart, gingerbread man, or a sausage roll.
Also if you do a little research before going to the park, you'll find out about certain houses being haunted. The Prince house, Opera house and Sam Livingston to name a few.
Hope this helps.
Also, you may be the type to bring a lunch to the park. They're are plenty of places to picnic at Heritage as well.