What is a historic site considered exempt from taxation based on?

A historic site's exemption from taxation is typically based on its certification by relevant authorities, which often includes determining its significance, preservation efforts, and eligibility under specific historic preservation laws. This certification process ensures that the site meets established criteria that recognize its historical importance, leading to the granting of tax-exempt status.

Other aspects such as the number of visitors, geographic location, or architectural style may contribute to the site's overall value or significance but do not directly influence its tax-exempt status. They are more about the site’s popularity or aesthetic qualities rather than the legal recognition required for tax exemption. The key point is that formal certification by environmental or historic preservation authorities underpins the determination that a site qualifies for taxation exemption based on its historical value.