I sold land in 2016. Do I have to pay taxes on the sell of the land?

[RichardG]

To the extent you made a profit on the sale, yes, that's taxable income.  Please go to Federal Taxes>Wages & Income>Investment Income >Stocks, Mutual Funds, Bonds Other.  Proceed through the interview until you reach the question Choose the type of investment you sold, then select land.