Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

An obscure waterfall that looks like something out of a fantasy novel.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This replica of the Greek structure is in the heart of Nashville.

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

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

One of the oldest living oak trees in the Southeast.

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

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

148 feet long and in the middle of a verdant forest.

A sculptor's dream castle turned fantastical ruin.

An art deco ice cream shop covered in vintage train station tiles.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

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

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

This charmingly homemade amusement park has been growing for 40 years.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

An inconspicuous footbridge beloved by San Diego locals.

Less a museum than a bizarre fantasy world created by artists and engineers.

The highest bridge in America was built for an almost unnervingly small amount of money.