A smoke stack so large, the Washington Monument could fit inside!

The only road through the heart of Glacier National Park.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

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

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

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

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

The blinking light atop the iconic landmark has been sending secret messages for decades.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

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

Version of the French Riviera destroyed by the sea.

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

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

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

"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.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

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

Towering basalt columns, a creation of fire and ice.

The ghostly remains of an accidental sea.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.