The Trent-Severn Waterway National Historic Site — one of nine heritage canals managed by Parks Canada — is working on its new management plan.

In the late 1940s, Marjory Stoneman Douglas poetically labeled the Everglades a “River of Grass” in her renowned book. This brings up an interesting question: Is the River of Grass a river or just a poetic name?

There are few outward signs that Ocmulgee Mounds National Historical Park is tucked into the middle of Macon, Georgia, surrounded by residential and commercial development. My family and I nearly drove past the entrance as our heads moved from the phone directions to the road and back again. But as soon as we followed the signature national park signs, it felt like a curtain of greenery wrapped itself around our car. We could hear sounds of the city, but all we saw were shades of emerald.

Traveler contributing photographer Rebecca Latson loves every single national park unit she’s ever visited, but she believes some parks are real standouts for certain categories of photography. In this month’s column, Rebecca lists some of those favorite parks.