Places Shadowmistris Wants to Go

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

This extraordinary geological oddity resembles human-made pavement.

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

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The ruins of the "20-year town" lay out among the mountains of Alberta.

Once the largest town in eastern Yuba County now sits abandoned.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.