According to the National Parks Service, peak bloom typically lasts for several days and the exact dates can vary each year.

A helicopter collided with a passenger plane that was landing at Ronald Reagan National Airport near Washington on Wednesday ... in the video searching the Potomac River for survivors.

A passenger jet carrying 64 people collided with a Black Hawk military helicopter while landing at Ronald Reagan Washington National ... on January 29 over the Potomac River.

WASHINGTON (WJLA) — The National Transportation Safety Board (NTSB) on Tuesday provided an update on its investigation into the January midair collision over the Potomac River, that claimed the ...