Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

This stunning concert hall has become a symbol of Iceland's national recovery.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

This black church sits alone among a field of lava rock.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Mai Tais and Navy Grog served up in one of the original tiki bars.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Quite simply the largest tree in the world (by volume).

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A massive sea stack famous for its appearance in The Goonies.

Two massive rock outcroppings on the Oregon coastline.

The fifth-longest natural arch in the world, and the longest outside China.

Watch the newest land on the planet form before your eyes.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An encyclopedic collection of mammal penises.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.