Related Clues:

• Relents
• Popular tourist attractions
• Gives up the fight
• Stalactite sites
• Spelunking sites
• Gives in
• Places to spelunk
• Troglodytes' homes
• Cries uncle
• Carlsbad attractions
• Grottoes
• Spelunker's spots
• Lairs for bears
• Locales for some paintings
• Dark passages