The maximum security facility was once thought to have "the bloodiest 47 acres in America."

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

This sandstone mansion was the home of two of Oregon's most important pioneers.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Two massive rock outcroppings on the Oregon coastline.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

An institution that preserves the history of institutionalization.

A massive sea stack famous for its appearance in The Goonies.

The longest continuous lava tube in Oregon.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The oldest continuously occupied public building in the United States.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A clear blue swimming hole with hidden caves, still unexplored.