I remember chuckling at some of these in the past.

Looks like WP has a larger list:

https://en.wikipedia.org/wiki/Category:United_States_in_rem_cases

Some selected cases that I like the sound of:

• United States v. 12 200-ft. Reels of Film

• 62 Cases of Jam v. United States

• Nebraska v. One 1970 2-Door Sedan Rambler (Gremlin)

• One 1958 Plymouth Sedan v. Pennsylvania

• Quantity of Books v. Kansas

• United States v. 11 1/4 Dozen Packages of Articles Labeled in Part Mrs. Moffat’s Shoo-Fly Powders for Drunkenness

• United States v. 422 Casks of Wine

• United States v. Approximately 64,695 Pounds of Shark Fins

• United States v. One Solid Gold Object in Form of a Rooster

• United States v. Article Consisting of 50,000 Cardboard Boxes More or Less, Each Containing One Pair of Clacker Balls