külastatavates
Külastatavates is the elative plural form of the Estonian word "külastatav". "Külastatav" translates to "visitable" or "capable of being visited". Therefore, "külastatavates" refers to multiple places or things that are in a state of being capable of being visited. This grammatical form indicates that the subject is being selected from a group of entities that can be visited.
For example, if one were to say "Paljud külastatavates on huvitavad" (Many of the visitable are interesting),