June 2026 Issue

The lost fortress of the Inca

History & Culture

Inside the search for the lost citadel of the Inca

For centuries, the vanished Inca fortress of Ancocagua existed only in lore. Now, at a mountaintop site in Peru, researchers are zeroing in on a discovery that could reshape what we know of the empire’s last days.

History & Culture

How Antoni Gaudí built the Sagrada Família, his tower to God

The architect Antoni Gaudí died a century ago, but his celebrated basilica, the Sagrada Família in Barcelona, is only now nearing completion. Here’s a guide to his grand vision—and the work that still remains.

Explore

The Okavango wilderness gives up its most vital secrets

Can India’s last lions be saved?

Lessons of a landslide detective

How did Texas get its crop circles?

Why these butterflies have fake heads

Sampling Sardinia’s legendary maggot cheese

Can Ibiza's colorful lizards survive a snake explosion?

The conservationist helping people live with wild animals

How a one-of-a-kind robot led researchers into the Great Pyramid

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