This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This large maar crater in Oregon is the bigger brother to Hole in the Ground.

Home of Howard Hughes' Spruce Goose.

Portland had a unique approach to Cold War-era protections.

A sprawling cave network created by a lone lava tube.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

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

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

The longest continuous lava tube in Oregon.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

This frequently-photographed waterfall takes only a short hike to visit.

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.

Commonly referred to as the most photographed Victorian home in the United States.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

The bridge continues the legacy of President Franklin D. Roosevelt's New Deal policy.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.