Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Daily page views to the Plan Your Visit section of national park websites in 2019 (orange) and 2020 (blue). Peaks and valleys reflect weekly variation in web traffic. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
