National Parks by the Numbers

Explore America's most spectacular National Parks — right from your phone!
Junior Ranger Park Explorer is a bilingual (English/Korean) educational app for kids and families, covering 15 iconic US National Parks: Yellowstone, Grand Teton, Arches, Zion, Yosemite, Sequoia & Kings Canyon, Glacier, Rocky Mountain, Grand Canyon, Bryce Canyon, Canyonlands, Capitol Reef, Olympic, Mount Rainier, and Acadia.
Every park page includes:
🗂️ DATA CARDS — Real facts about each park's size, elevation, wildlife, history, and more, based on official National Park Service sources.
📸 MUST-SEE SPOTS — Iconic landmarks for each park with real photographs and a fun "Try This" Junior Ranger activity for every spot.
📖 RANGER SUMMARIES — Kid-friendly overviews of what makes each park special, plus suggested Junior Ranger goals.
🧩 RANGER QUIZZES — Test your knowledge with a retry-until-you-get-it quiz for every park — perfect for learning, not just testing.
🏅 BADGE PROGRESS — Complete a park's quiz to earn its badge and track your progress across all 15 parks.
📊 COMPARE PARKS — Visual charts comparing park size, elevation, age, and visitor numbers side by side.
🌏 FULLY BILINGUAL — Every screen, fact, and quiz is available in both English and Korean, switchable anytime.
All photographs in the app were taken personally by the app's creator during real visits to these parks.
Junior Ranger Park Explorer is an independent, unofficial educational project. It is not affiliated with, endorsed, or sponsored by the National Park Service or the U.S. Department of the Interior. "Junior Ranger" refers to the NPS's own free educational program, which we encourage every family to try in person at any national park visitor center!
No ads. No accounts. No data collection. Just national parks, made fun for kids.

GOVERNMENT INFORMATION SOURCES

National Park Service (NPS):
https://www.nps.gov/⁠

U.S. Geological Survey (USGS):
https://www.usgs.gov/⁠

Government-related information presented in this app is based on publicly available information from the National Park Service (NPS) and the U.S. Geological Survey (USGS).

Junior Ranger Park Explorer is an independent, unofficial educational app. It is not affiliated with, endorsed by, or sponsored by the National Park Service, the U.S. Geological Survey, the U.S. Department of the Interior, or any U.S. government agency.