The Craziest Things Workers Have Found In The Sewers

 The people in a town in Fuji discovered a cow in a manhole after they heard mooing sounds. No one knows how it got down there. source

"Strangest thing I have come across has to be a homeless campsite. The sight itself wasn't too bad, just a few candles, some random papers, a cushion from a lawn chair, but seeing it scared the crap out of me knowing there could be someone down there with me." source

In London, 15 tons of fat were discovered blocking the sewer lines in London.  It was mainly congealed cooking oil and baby wipes. ?source

"I found a live bird in there once. So weird. Blew my mind how it got in there. This was a small 9 inch sewer too!" source

In London, half of a Mini Cooper car was spotted in the sewer. The other half of the car was never found. source

Sewer workers in Surrey sent a camera down into the sewer to perform a routine check. But what they discovered was anything but routine. A sheep was just roaming around the sewer. source

"The strangest thing was in London where I saw some robot monitoring thing crawling slowly up the sewer, it was wierd as f***, like WALL-E." source

In Essex, UK, sewer workers found four watches: One Omega, two Rolexes and a Franck Muller timepiece.  Together they are worth over $93,000. source

"I found a really big snapping turtle. And it was angry. I tried lifting it out by creating a seal with a vacuum, but it would always claw at the manhole, pull itself loose, and drop back in. I ended up sucking most of the water out and managed to drop it into a bucket. I hauled it out and dumped it in the nearby wooded area that it presumably came from."  source

In 2009, water treatment workers in Japan found about $56,000 worth of gold coins in the debris. source
 

"There are a ton of roaches. They're white too since they never see any sunlight. Big cockroaches are not very surprising, but white cockroaches are kinda weird." source

In 2006, a routine check discovered a 600-pound alligator in the sewer lines in Texas. Authorities think it was there since it was a baby. source

A jawbone was found in the sewers of Edmonton, Canada. Nobody can figure out what it belonged to. It doesn't belong to a human or any known animal. source

A fax machine was found among debris in Scotland. source