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

A house carved into a rock in the 1940s.

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

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

Beauty and history abound in this remote West Texas canyon.

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

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

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

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

The romantic botanic tunnel feels like a well-kept secret.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

In Hong Kong, a fairytale flower tunnel is hidden within the gardens of a public housing complex.

This psychedelic tourist trap is a leisurely descent into madness.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A psychedelic labyrinth on the San Francisco bay.

A lavender labyrinth so large it’s visible on Google Earth.

The longest living non-clonal organisms on Earth.

The world’s largest underwater sculpture is found just off the coast of Nassau.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."