These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Legends surround this jagged rock formation in the New Mexico desert.

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

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

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

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

The largest wooden building in the world now houses a fascinating collection of aircraft.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

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

Only known mainland rookery of the threatened Stellar sea lion.

100-year-old shipwreck you can walk up to at low tide.

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

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

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.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of the largest trees of its kind in California.