A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

The secluded resting place of a local historical figure who perished during the sinking of the Titanic.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

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

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

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

The first declared National Monument in the United States.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

One man's quest to save his town with a trail of record-breaking sculptures.

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

The old fire tower is one of the last of its kind in the United States.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

A sprawling museum located on the former site of the Orphan Girl Mine.

A collection of huge, site-specific sculptures sitting in the Montana woods.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

The only road through the heart of Glacier National Park.

New fungal and bacterial species call this deadly lake home.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

A cemetery housing wild west legends in South Dakota.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This simple home was the beginning of a long journey for the iconic Western film star.

Millions of dollars worth of sculpture decorate this Iowa city center.