Tight Hollow is one of Kentucky's last remaining old-growth forests in the state. There are very few places left in Kentucky where humans haven’t made an impact. Tight Hollow is one such place.

In Kentucky's Appalachian Mountains, this protected old-growth forest features towering ancient trees, sandstone overlooks, ...

In an old-growth longleaf pine savanna, the trees’ pine needles sing in the wind. Once considered forests, these landscapes in the southeastern U.S. coastal plain are open-canopied and sunny, more ...

Of the many acres of woodland that extend across Holden Arboretum, scientist David Burke believes the 250 acres or so of old-growth forests provide unique value for research and the environment.