Cave and basin

#falladventures Cave and Basin National Historic Site. This site is the birthplace of Canada's national parks system and is located just outside the town of Banff. Here is what you can expect to see and do there: The Historic Cave: Explore the natural cave, where you can see the thermal mineral springs that led to the creation of the national park system. The air inside the cave has a noticeable mineral smell from the sulfur content in the water.