The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

This "grandfather" eucalyptus is one of the tallest trees in Europe.

This former hunting grounds that once attracted U.S. presidents and other luminaries. Now it’s a privately owned research reserve dedicated to environmental sciences.

Not only is this nature preserve the largest protected freshwater island on the East Coast, but it’s also a stronghold of Gullah living.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

A carnivorous plant paradise in a serpentine bog.

Brick walkways weave through more than 500 palms and cycads, representing 150 species from around the world.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Over 40 species of fern cover the canyon walls of this lush green bowl, cut off from the bustle of the world by a cave entrance.

A sycamore tree grown from seeds that traveled to the moon.

Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

For a century and a half, this great beech stood bearing a carefully carved 20-line poem. Now this stone and plaque are all that remain.

Former private property that was hidden up a trail in the woods with thousands of bright yellow daffodils.

The second-largest giant sequoia in the world.