The Great Mosque of Samarra

Here’s a 20th-century photo, in which you can see the aisles:

Abu Dulaf Mosque

Here’s a 19th-century image of the minaret:

Commonly-Cited Comparisons

This image shows Ziggurat of Ur, c. 2100 B.C.E., during restoration (= basically, rebuilding) in the 1920s. The next one shows the reconstructed version.

The Minar of Gor. The first two images shows how people in the 19th century imagined the minar, while the second shows what actually remains today.

The best comparison looks forward, not back: the 9th-century Mosque of Ibn Tulun in Fustat: