Lava Tubes Like Four Windows Cave

Big Skylight Cave

Lava Tube

7.30 Good

Xenolith Cave

Lava Tube

6.50 Fair

Caterpillar Cave

Lava Tube

6.30 Fair

Giant Ice Cave

Lava Tube

7.00 Good

Junction Cave

Lava Tube

7.00 Good

Lava Column Cave

Lava Tube

6.60 Fair

Junction Bridge Cave

Lava Tube

5.70 Mediocre

Bandera Ice Cave

Lava Tube

8.62 Great

Bisti/De-Na-Zin Wilderness

Badland

8.62 Great

Raufarhólshellir

Lava Tube

8.50 Great

Ah-Shi-Sle-Pah Wilderness

Badland

8.12 Great

Spence Hot Springs

Hot Spring

7.57 Good

San Francisco Hot Springs

Hot Spring

7.16 Good

Manjanggul

Lava Tube

9.54 Brilliant

Jeju Volcanic Island Tubes (UNESCO site)

Lava Tube

9.47 Excellent

Kipuka Kanohina Cave System

Lava Tube

9.42 Excellent

Kazumura Cave

Lava Tube

9.20 Excellent

Leviathan Cave

Lava Tube

9.20 Excellent

Cueva del Viento

Lava Tube

9.20 Excellent

Manjanggul Cave

Lava Tube

9.20 Excellent

Undara Lava Tubes

Lava Tube

9.20 Excellent

Thurston Lava Tube (Nāhuku)

Lava Tube

9.12 Excellent

Algar do Carvão

Lava Tube

9.10 Excellent

Túnel de la Atlántida

Lava Tube

9.10 Excellent