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

Part home garden, part sculpture field, part pseudo-science experiment, a trip to this place will leave you wondering if sea water isn't actually the elixir of life.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

A centuries-old olive tree thrives in a small botanical garden.

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

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

An oasis of lilies cultivated by the "Indiana Jones of Water Lilies."

Built for an exposition in 1915, these horticultural displays have stood the test of time.

An alluring, arid botanical garden home to a bewildering variety of cacti both endangered and common.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

Explore the wide world of desert plants at this unique Palm Springs botanical garden.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

This collection of ferns from across the globe is the largest assortment in the United States.