That's an excellent and very practical question for anyone managing public spaces. Finding a trash can that can withstand attempted climbing, intentional damage, or general misuse is a common urban challenge. Based on functionality and proven durability, I'd highly recommend looking into heavy-duty, anchored stainless steel bins with a domed or rounded top.
The key feature here is the domed or sloped top design. This shape provides no flat surface to stand or sit on, making it inherently difficult and uncomfortable to climb. This design discourages the behavior before it even starts. Pair this with a construction of 3mm+ thick 304-grade stainless steel, and you have a unit that is incredibly resistant to dents, scratches, and graffiti (which is easier to clean off smooth steel).
For maximum security, ensure the bin is permanently anchored to a concrete foundation using heavy-duty bolts set in concrete. This prevents tipping or removal. Also, look for models with internal bag retainers and a secure, lockable opening mechanism—often a small, chute-style opening—that prevents people from reaching in to pull out trash, while still being easy for the public to use.
Brands like Pilot Rock, TidalPark, and Victor Stanley offer commercial-grade lines built specifically for high-traffic, high-vandalism areas like transit stations, parks, and downtown districts. While the initial investment is higher than a standard plastic bin, the total cost of ownership is lower due to drastically reduced repair, replacement, and maintenance costs over a decade or more. The goal is passive security: a design so robust and inconvenient to misuse that it simply isn't seen as a target.