Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A vinyl-lover's Shangri-La.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

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

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.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A little-known hot spring haven right below the highway.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

An exquisite tunnel of cascading flowers.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.