A travel agent who showed up at a South Slope, Brooklyn, address to buy a car wound up dead when he was shoved to the ground and smashed his head in an apparent robbery, law-enforcement sources said early this morning.

Jesus Morales, 67, of Merrick, LI, was discovered lying with head injuries outside 260 18th St. at around 7:15 last night.

He was rushed to Lutheran Medical Center, where he was pronounced dead.

Cops are calling the incident a robbery, although it was unclear what was taken.

Morales owned a travel agency in the neighborhood.