Stroll through a wonderland of stupendous moss-covered trees.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

Is this the most Portland place ever?

The magic's in the hole!

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 is a natural hole that seems to be draining the sea.

This cave column thousands of feet below the earth’s surface is rightly named for one of the most colorful park rangers in history.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

John Wayne, Ronald Reagan, and other Hollywood actors have resided in this picturesque Route 66 hotel.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

Crumbling remnants of what was once a booming town full of silver.

This remote camping site offers incredible stargazing opportunities.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

This popular pitstop lives up to its name.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

The state bird of New Mexico, constructed entirely out of garbage.

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

The final resting place of the living embodiment of the famous Forest Service symbol.

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

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

More than 21,000 images fill this overlooked gem of a prehistoric site.