Back in the day, Bay Curious listener Lisa Schwartz remembers seeing something odd in Emeryville. Nestled in the armpit of The Maze -- across Interstate 80 from where IKEA is today -- was a stretch of muddy tidal flat full of creatures.

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There was a ramshackle warrior riding a horse into battle. Fifty feet away – a wooden dog playing an electric guitar. And when the sun was setting just right, the silhouette of a toothy sea monster emerged from the muck.

If you were a kid in the back seat of a car, driving by the Emeryville Mudflats was magic.

Our listener, Lisa Schwartz, wants to know: What happened to those sculptures? Or was it all a dream?

At the beginning of the 1960s the mudflats were a wasteland of space by the side of the freeway approaching the Bay Bridge.