One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A centuries-old iron mine is now a paradise for explorers, divers, and spelunkers.

A lighthouse built to save lives that took quite a few with its treacherous location.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

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.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.