Around age fifty, doctors recommend you get a colonoscopy once a year. This is a fun, incredible procedure for people who love getting stuff stuffed up there. But occasionally, a colonoscopy yields unexpected results.

Since people don’t get them until they reach a certain age, the colon is potentially a cavalcade of mysteries. A treasure chest of sorts, except it’s made of flesh, and the treasure is a horrific disease. While infections are the most common things found, some people got lucky. There are too many people out there who have found jars, tube-like objects, and the most horrific – bugs.

Check out some sights that terrified doctors and patients when they went down the road less traveled.