This advertisement for talcum powder was painted on the rock face and has since defied removal.

A fascinating example of the Danxia landform is characterized by its striking red sandstone formations.

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

A beautiful geyser under environmental threat.

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

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

Model Trains and Much More in Hamburg.

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

One man's quest for the ultimate road trip vehicle.

In the late 1990s, a mechanic and fan bought this iconic sportscar back from the dead.

The world's most remote memorial to the victims of the UTA Flight 772 disaster.

Home of the International Space Hall of Fame.

Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

Three hundred years of preserved Spanish colonial history in San Antonio.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The vanishing remains of an old water station from the late 19th century.

A museum devoted entirely to the rattlesnakes and snake-related art.

Volunteers spent years restoring a vintage steam locomotive to operating condition.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

The first documented commercial gold find in the United States.