Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

More than 70 detailed dioramas—including some rather nontraditional ones—fill this charming museum.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

A Spanish town built into the cliffs.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

A recreation of an Old West apothecary full of curios.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Colorado's only true geyser is hidden within the San Juan National Forest.

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

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

A ghost town that held steady longer than most, but finally gave up the ghost.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

A house carved into a rock in the 1940s.