Mysterious 500-year-old tapestries depict a unicorn hunt.

A clear blue swimming hole with hidden caves, still unexplored.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

See massive fossils that are over 200 million years old in northeastern Arizona.

The trials and tribulations of marking Poe's grave.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Rustic natural hot springs in the deciduous rain forest.

This quirky curiosity shop takes its cues from the world's bazaars.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A historic neighborhood church is reborn as a psychedelic arts collective.

The magic's in the hole!

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

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

The largest earthwork effigy in the world.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A modernist landscape of water and sci-fi concrete.

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

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."