10 US National Parks less traveled to

Isle Royale, Michigan: Remote island on Lake Superior, wilderness haven for hikers, boaters, and wildlife enthusiasts. Accessible by boat or seaplane.

North Cascades, Washington: Rugged landscapes, glaciers, and deep forests. Often called the "American Alps." Diverse ecosystems and stunning vistas.

Congaree, South Carolina: Ancient floodplain forest with towering trees, nocturnal kayaking. Home to synchronous fireflies' mesmerizing display.

Great Basin, Nevada: Unique caves, ancient bristlecone pines, and a star-gazer's paradise. Stark contrasts between mountain and desert.

Lassen Volcanic, California: Geothermal wonders reminiscent of Yellowstone. Features boiling springs, fumaroles, and clear mountain lakes.

Dry Tortugas, Florida: Aquatic park 70 miles from Key West. Historic Fort Jefferson, snorkeling, and untouched coral reefs.

Guadalupe Mountains, Texas: World's most extensive Permian fossil reef, Guadalupe Peak (Texas's highest point), and vast desert landscapes.

Voyageurs, Minnesota: Maze of interconnected waterways. A paradise for boaters, fishermen, and winter sports enthusiasts.

Black Canyon of the Gunnison, Colorado: Dramatic and deep gorge, dark canyon walls drop precipitously, a hidden gem for climbers.

Kobuk Valley, Alaska: Sand dunes juxtaposed against Arctic landscapes. Witness half a million caribou migrate through the valley.