Eligible foreign nationals including United States (US) citizens can travel to Canada as visitors
There are a few visitor visa options
Temporary Resident Visa
Anyone who plans to visit Canada must apply from outside of Canada before they travel
Business visitors must obtain visa to do business with Canadians and business in Canada.
Electronic Travel Authorization
Electronic document for visa exempt foreign nationals to travel into Canada
Multiple entry visa for a period up to 10 years to visit children or grandchildren for up to 2 years at a time.