Related Clues:
- Beware getting caught by hail
- Hollow sculpture with no middle
- Hollow container's almost bare interior
- Home to the Grinch
- Mammoth in Kentucky, e.g
- Where Batman chills
- Spelunker's milieu
- Alley Oop's abode
- Give in, informally
- Is capable of holding father up in The Underground facility
- Word of warning in underground venue
- Stop resisting
- Lair for a bear
- Site in the first stanza of 'Oh My Darling Clementine'
- Stalactite's spot