The La Brea Tar Pits in Los Angeles are worth a visit!

The tar pits have always been one of those things in America which are referenced on TV and film, but which I was only about 50% sure that they really existed.
Anyway, it does remind me of an episode featuring one of my favorite Simpsons gags:

(technically they were at the Springfield Tar Pits, but the influence is clear)

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