This legendary urban waterfall creates a dazzling display of rainbows.

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

This black shoreline is made up of exploded lava particles.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This rest area is also home to a remarkable petroglyph site.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

A tree bears footwear on the loneliest road in America.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Canyon walls shrouded in ferns.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

More than 700 species live within this murky marvel of a swamp on California's coast.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The first safe in this California town had to hold all the gold.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A massive volcanic plug is now a protected area that hosts a number of bird species.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.