(Tourists on bus going down LSD)
Tourist 1: (pointing to pumping station) "What on Earth is that thing?"
Toursit 2: "I don't know. It looks like a huge oil tanker or something."
Snooty Chicago Know-It-All Guy: "Actually folks. That's a boat house or possibly a yacht. There are plenty of those in Chicago."
- LSD Tour Bus
-- Submitted by Jeremy