Since then, McCullough has seen 14 more of the nation's 51 parks in the Lower 48, including Great Smoky Mountains National Park in Tennessee, Grand Teton in Wyoming, Badlands in South Dakota ...

Spencer McCullough started his journey in the Biscayne Bay National Park in Florida and snaked his way through the U.S. to finish his 412-day journey in Acadia National Park.

Escape the crowds at the lower 48’s most remote national park. Lake Superior’s Isle Royale, an archipelago of 400 islands, is one of the least visited national parks.

Dry Tortugas National Park, located 70 miles west of Key West in Florida and only reachable by boat or seaplane, was the third least visited national park in the contiguous U.S. NPS parks in Michigan ...

Spencer McCullough started his journey in the Biscayne Bay National Park in Florida and snaked his way through the U.S. to finish his 412-day journey in Acadia National Park.

Dry Tortugas National Park, located 70 miles west of Key West in Florida and only reachable by boat or seaplane, was the third least visited national park in the contiguous U.S. NPS parks in Michigan ...

BAR HARBOR, Maine (WABI/Gray News) - Spencer McCullough did something that he says has never been done before; riding his bike to all the national parks in the Lower 48 states.McCullough ...

Spencer McCullough started his journey in the Biscayne Bay National Park in Florida and snaked his way through the U.S. to finish his 412-day journey in Acadia National Park.

BAR HARBOR, Maine (WABI/Gray News) - Spencer McCullough did something that he says has never been done before; riding his bike to all the national parks in the Lower 48 states.McCullough documented ...

Spencer McCullough started his journey in the Biscayne Bay National Park in Florida and snaked his way through the U.S. to finish his 412-day journey in Acadia National Park.

BAR HARBOR, Maine (WABI/Gray News) - Spencer McCullough did something that he says has never been done before; riding his bike to all the national parks in the Lower 48 states.McCullough documented ...

Spencer McCullough started his journey in the Biscayne Bay National Park in Florida and snaked his way through the U.S. to finish his 412-day journey in Acadia National Park.