Discover US National Parks: Mammoth Cave National Park, Kentucky (1941)

• Mammoth Cave National Park in Kentucky is the world's longest known cave system, with more than 400 miles of surveyed passageways.

• The park is open all year round, with the best time for cave tours being spring and autumn.

• The park was established as a national park in 1941 and features a variety of landscapes from forested hills to rivers, sinkholes and underground streams.

• The park is home to a wide variety of wildlife, from the endangered Kentucky cave shrimp to the gray bat.

• In addition to the caves, the park features hiking trails, horseback riding and fishing.

• The park is home to some of the oldest trees in the world.

• Visitors can also enjoy a variety of historic activities, such as a tour of the historic Lodge at Mammoth Cave.

Thank you for reading. Create Summary Videos with Kimavi.