In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An acoustic anomaly with a mysterious cause.

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

A small oasis not far from downtown Moab.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

This spectacular track has run continuously since 1882.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

This ghost town was once a cult-like religious utopian settlement.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A house carved into a rock in the 1940s.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.