Thanks to microscopic analysis of a ceramic pot discovered in Sicily, we know that the ancient Romans used terracotta vessels as toilets.
Did ancient Roman houses and public buildings have water faucets? - Quora
A Trove of 'Exceptional' Roman Bronzes Have Been Discovered at an Ancient Thermal Spa in Tuscany
Why did ancient Romans make large clay vessels that had a pointy bottom instead of a flat bottom that it can stand on? - Quora
What are the designs of ancient toilets? - Quora
The Archaeology of the Holy Land
Ancient Roman pottery - Wikipedia
Archaeologist Develop a Method in Identifying Portable Toilets in Ancient Rome
Lost at Sea for More Than a Century, Shackleton's Fabled 'Endurance' Shipwreck Has Been Located by Marine Archaeologists
Pompeii - Madain Project (en)
Archaeologists Have Found the Roman Emperor Hadrian's Palatial
Parasite Eggs Help Archaeologists Identify Ancient Roman Chamber Pot, Smart News
Ancient roman pottery hi-res stock photography and images - Alamy
Man Fixing Toilet in Italy Unearths Historical Relics and Opens Museum
Two Looted Ancient Greek Statues, Including a Stunner That Was on