Famously misunderstood wonder of the ancient world

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Macabre astrological automaton clock dating to the late 1400s.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.