The Aqueduct of the Arches Historical Marker

(A historical marker located in Tecozautla in Tecozautla, Hidalgo, Mexico.)

Towpath and Aqueduct / Father of the Iron Bridge Historical Marker

Catoctin Aqueduct – C&O Canal Trust

Aqueduct of Segovia, Spain Travel Journals & Blogs

Espada Aqueduct in San Antonio - 300 Years Of History - The San Antonio Things

Exploring the Tunkhannock Viaduct in Wyoming County - PA Bucket List

10 Innovations That Built Ancient Rome

File:St. Francis Dam Disaster Site historical marker.jpg - Wikimedia Commons

Pontcysyllte Aqueduct - History Points

Roman Aqueducts – Sukanya Ramanujan

This Georgetown Bridge Was For Boats — Architect of the Capital

10 Innovations That Built Ancient Rome « History, Archaeology, Folklore and so on

The Aqueduct of Xalpa Historical Marker

Replacement of Pedestrian Bridge at Seneca Creek Aqueduct - Chesapeake & Ohio Canal National Historical Park (U.S. National Park Service)