
PlaceTonalea
Eggshell Arch
At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow.
CanyonsGeologyRock Formations
Strange places, unforgettable stories, and road-trip ideas from licensed Atlas Obscura picks, all gathered into one bilingual guide.

At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.