US national parks are crowded – and so are many national forests, wildlife refuges, battlefields and seashores
By Emily Wakild (CNN) — Outdoor recreation is on track for another record-setting year. In 2022, US national parks logged more than 300 million visits – and that means a lot more people on roads and trails. While research shows that spending time outside is good for physical and mental health, long lines and gridlocked roads can make
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