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

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

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A natural dome made of volcanic glass in Inyo National Forest.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.