wzgórek in inglese:

an ancient, man-made burial mound

The canal was almost completely dry and sharp rocks lay on the bottom along with mounds of garbage.

He had a mound of garbage in his backyard.

Kościuszko Mound erected by Cracovians in commemoration of the Polish national leader Tadeusz Kościuszko, is an artificial mound modeled after Kraków's prehistoric mounds of Krak and Wanda.

Her eyes had adjusted to the darkness, and something ahead caught her attention, a mound in the snow

It is a two level style round burial mound, 23m diameter (lower level), 18m (higher).