This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A reproduction of earth's many biomes.

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

Although now a decaying ruin, this stone cabin's history includes several notable figures.