OK, this fruit — also known as the Pineapple Villa at Nickelodeon Hotels & Resorts in Punta Cana — is above the sea, but it's still a pretty spot-on replica of Spongebob Squarepants's iconic digs.

On May 1, 1999, SpongeBob SquarePants splashed onto television screens for the very first time—and 26 years later, the ...