Worth a Journey

Read by 254k monthly readers

The World’s 100 Best Show Caves

Onondaga Cave

Leasburg, United States

  1. THE WORLD’S BEST SHOW CAVES WORTH A JOURNEY · 2026 ✦ ✦ N° 45 2026
Onondaga Cave

Large lighted cave with stalagmites, stalactites, big rooms and an underground river running through it. Visits are guided walking tours on paved, often steep and wet concrete ramps, with stops where the guide explains formations and history.

Highlights

  • Lily pad room
  • Underground river
  • Giant stalagmite

Good to know

  • Tour lasts about 1 to 1.5 hours
  • Cave stays around 57 degrees
  • Closed in winter off-season

Also in the United States

  1. Blanchard Springs Caverns N° 36 Blanchard Springs Caverns Fifty-Six Dripstone cave
  2. Squire Boone Caverns N° 54 Squire Boone Caverns Mauckport Dripstone cave
  3. Kartchner Caverns N° 56 Kartchner Caverns Benson Dripstone cave
  4. Appalachian Caverns N° 58 Appalachian Caverns Blountville Dripstone cave
  5. Mammoth Cave N° 62 Mammoth Cave Mammoth Cave Dripstone cave
  6. Crystal Onyx Cave N° 64 Crystal Onyx Cave Cave City Dripstone cave