Oldest To Newest

89 monuments in the register carry a construction date. Between the first and the last lie about 11,486 years.

Ordered by age, not drawn to scale: on a true time axis nearly everything after 1000 would collapse into a single line.

Before 3000 BC3 monuments

3000 BC — 1000 BC7 monuments

1000 BC — AD 110 monuments

No Single Date

Some places took shape over centuries; others have beginnings that remain uncertain. Rather than give an entire city the date of a single building, their stories trace the different periods that shaped them.