The case of Kelo v. the City of New London in 2005 may be the most famous eminent domain case because the Supreme Court established the right of private businesses to seize land that could, in theory, be used to "create jobs and increase tax revenues." This expanded the legal reach of eminent domain, and its application continues to be litigated.
For instance, in a 2021 case, PennEast Pipeline Co. v. New Jersey even gave the pipeline company the right to use state-owned lands for private development.
Eminent domain will likely continue evolving as new use cases are tested in court. Although it's unlikely to affect you personally, it's a concept worth understanding, especially if you're a real estate investor or interested in the limits of the government's reach.