Famous landmarks draw millions of visitors each year, but most people only see what’s on the surface. Behind the grand facades and well-photographed exteriors lie hidden rooms, secret passages, and ...

Before they were featured on postcards and added to bucket lists, the world’s most famous landmarks started out like most other projects: Buried under a mountain of blueprints and permits, scaffolding ...

Set out on a journey across the globe to witness the world's most famous landmarks, from Angkor Wat to the Eiffel Tower.