I believe it's called Devils Rope.
It is a tree cactus with branching that includes candelabra-like stems. You can cut off some of the wayward branches to make it more attractive. It is hardy in your area if you want to plant it outside. Here is more:
https://aggie-horticulture.tamu.edu/ornamentals/nativeshrubs/opuntiaimbricat.htm
https://www.gardeningknowhow.com/ornamental/cacti-succulents/scgen/cactus-pruning-info.htm