The La Brea Tar Pits are a cluster of tar pit

Tar pit

A tar pit, or more accurately known as an asphalt pit or asphalt lake, is a geological occurrence where subterranean bitumen leaks to the surface, creating a large area of natural asphalt.-Known tar pits:...

s around which Hancock Park

Hancock Park

Hancock Park is a park in the Miracle Mile, Los Angeles, California, area, which is the location of the La Brea Tar Pits, the George C. Page Museum of La Brea Discoveries, and the Los Angeles County Museum of Art . The park does not, however, lie within the Hancock Park neighborhood which is...

 was formed, in the urban heart of Los Angeles

Los Ángeles

Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

. Asphaltum or tar

Tar

Tar is modified pitch produced primarily from the wood and roots of pine by destructive distillation under pyrolysis. Production and trade in tar was a major contributor in the economies of Northern Europe and Colonial America. Its main use was in preserving wooden vessels against rot. The largest...

 (brea in Spanish) has seeped up from the ground in this area for tens of thousands of years. The tar is often covered with water. Over many centuries, animals that came to drink the water fell in, sank in the tar, and were preserved as bones. The George C. Page Museum is dedicated to researching the tar pits and displaying specimens from the animals that died there.