This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

A gardener's enduring labor of love is spread throughout a small Vermont town.

An abandoned dollhouse factory.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

Original factory of John G. Borden who started what we know today known as Borden Dairy.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

One man's swirling six-acre monument of stone.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This mouldering abandoned mental hospital was once a center for progressive healing.

The oldest continuously inhabited street in America.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.