Though it looks as if it is a house this is the entrance to The Underworld
The 2nd Capture
Hades Proposes to Persephone, and being the young child she is she started crying very loudly and ugly-ly. but little did Hades know she was praying that her mom would come and save her. Hades on the other hand wanted to marry her because she was the "most Beautiful" in the family
Hades and Persephone are getting married as you can probably tell Persephone does not like the idea of marrying her uncle.
Demeter Is kidnapping Persephone so she can be home.