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Scheme is a nice start. You can write a basic interpreter for it over the course of a few weeks

MAL. AKA Make A Lisp. Instructions to write a tail recursion lisp interpreter in a weekend in almost any language. It teaches almost anything you want to know about lisp, plus some practical compiler/interpreter knowledge.

If you want to see how Lisp environments used to be on the hey day of Lisp, check the community editions from Lisp Works and Allegro Common Lisp.

Install sbcl, slime, gnu emacs in some form.

See the book Practical Common Lisp for an intro: https://gigamonkeys.com/book/