Field guides · 1 of 11

Parks

The ten most visited national parks (NPS, 2025) plus Katmai. Each guide starts with what you have to reserve, and when. Every park can be planned in 3D, and so can anywhere else.

Field guide · 01Yosemite
California
Best months: May–Jun, Oct
No entry reservation · 2026
Plan in 3DGreat Smoky Mountains
Tennessee, North Carolina
Plan in 3DZion
Utah
Plan in 3DYellowstone
Wyoming, Montana, Idaho
Plan in 3DGrand Canyon
Arizona
Plan in 3DRocky Mountain
Colorado
Plan in 3DAcadia
Maine
Plan in 3DGrand Teton
Wyoming
Plan in 3DOlympic
Washington
Plan in 3DGlacier
Montana
Plan in 3DKatmai
Alaska

Park list: NPS, Top 10 National Parks by 2025 recreation visits, checked 27 Sep 2026.