The National Park Service says vandalism has been found within five western national parks and officials are investigating vandalism reports at five other parks.
A school in Lakewood had to be closed after vandals broke in overnight.
Police in Erie are hunting for vandals who targeted a house under construction.
A man found guilty of committing vandalism at Englewood High School was sentenced on Friday.
Police who patrol Denver’s Bear Valley Neighborhood are searching for the vandals responsible for a major outbreak of graffiti over the holiday weekend.
Several homes in a Thornton neighborhood were sprayed with graffiti early Saturday morning, and one resident said the vandals ruined a piece of history.
More than 100 people in Thornton are dealing with graffiti on their property.
A Marine is accused of breaking windows at two businesses and setting about a dozen dogs free after a night of drinking in Durango, Colorado.
The search is on for vandals who did a lot of damage in Wheat Ridge in the form of spray painting.
Denver police are investigating after dozens of car windows were shattered overnight on Saturday.