Carlsbad Caverns
Carlsbad Caverns' Big Room is the largest readily accessible cave chamber in North America, covering about 8 acres.
Guide · 6 parks
National Parks with Caves
Caves keep a steady temperature year-round, which makes these parks some of the best all-season choices in the system.
Mammoth Cave
Mammoth Cave is the longest known cave system in the world, with more than 420 miles surveyed.
Wind Cave
Wind Cave holds about 95% of the world's known boxwork, a rare honeycomb-like cave formation.
Sequoia
Sequoia is home to the General Sherman Tree, the largest living tree on Earth by volume.
Pinnacles
Pinnacles is one of the few places in the world where endangered California condors are released into the wild.
Great Basin
Great Basin protects ancient Great Basin bristlecone pines, some of the oldest known living things on Earth at more than 4,000 years old.
When to go
More guides
Warm National Parks to Visit in WinterBest National Parks for Fall ColorLeast Crowded National ParksBest National Parks for WildlifeBest National Parks for StargazingBest National Parks for FamiliesNational Parks with BeachesNational Parks with VolcanoesBest National Parks for HikingThe Most Remote National ParksNational Parks with the Best Scenic DrivesNational Parks to Visit in the SnowSummer National Parks Without the Crowds
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.