Meet America's top 10 land barons, who collectively own more than 13 million acres across the country

The 10 biggest landowners in the United States collectively own more than 13 million acres across the country - that's more than 0.5% of America.

Some of them are heirs who inherited land owned by their ancestors as early as the 1800s. Others are self-made millionaires who ventured into land acquisitions and have been racking up acres for years.

$4 of the 100 largest landowners in the country in 2016 - here are the 10 families or individuals who topped the list.