Under the sea...

http://www.buzzfeed.com/alejandroalba/majestic-underwater-sites-you-need-to-see-before-you-die

Underwater Hotel Room — Zanzibar

http://www.tripadvisor.com/Hotel_Review-g480245-d509944-Reviews-The_Manta_Resort-Pemba_Island_Zanzibar_Archipelago.html