The first is usually answered by you sell it for a lot less than you paid for it.
The second depends on whether you only have a license to spend your vacation in some remote location the United States took by force, or you actually own some of that sand in fee simple absolute. More common is the license variety represented by “points”.
Shortly after I began composing this piece an estate planning client came in with the points variety. She actually uses the points. Much like any other amphibious invasion she spends considerable time planning and plotting more than a year in advance in order to maximize her usage, and not get stuck with the leftovers of places our country has seized but no one really wants, like a vacation on Iwo Jima.