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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Enormous lake at the bottom of a unique cave system.

This massive library holds what was once the largest book collection in the world.

Notorious artist squat renovated into legal studios.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

An enormous, inside-out glass globe built in 1935.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A kaleidoscopic warehouse-maze of handmade neon signs.

Rippling sand dunes frozen in the Arizona rock.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A psychedelic labyrinth on the San Francisco bay.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.