One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

This rustic old building is said to be the most photographed barn in America.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Canyon walls shrouded in ferns.

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.

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

Steinbeck's old stomping grounds, immortalized in Cannery Row.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

Get up close to emus and ostriches, or buy their tasty meat.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall, but rather lightning.

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

A 19th-century cabin built into a hollowed-out Sequoia tree.

Four hundred granite steps were built into this massive rock by the National Park Service.