This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

It's safe—and permitted—to walk across these twin natural sandstone arches.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

This lava formation earned its whimsical name from the log-like formation of it stones.

The unusual patterns in this rock formation result from two distinct modes of weathering.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

Largest man-made excavation on earth!

A small oasis not far from downtown Moab.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A Mars simulation in the southern Utah desert.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.