Places that are gone and are not coming back looking the same from British archaeologist, topographer and cartographer Sir William Gell’s “The Topography of Troy, and its Vicinity” which was published in London in 1804. He made at least five trips to the locations pictured.

“View of the village Babakale in the Troad.” 1804. Collections of the
Aikaterini Laskaridis Foundation Library. Fair use license. via https://eng.travelogues.gr/item.php?view=50852
Landscapes in the Troad, somewhere in between Cape Eski Stambul and the Dardanelles. G denotes the site where the Baths of Alexandria Troad are found. 1804. Collections of the
Aikaterini Laskaridis Foundation Library. Fair use license. via https://eng.travelogues.gr/item.php?view=50854
“View from the Eastern side of Alexandria Troas.” 1804. Collections of the
Aikaterini Laskaridis Foundation Library. Fair use license. via https://eng.travelogues.gr/item.php?view=50855
“Landscape near Geykli in the Troad. In the background Tenedos island. View near Chicle.” 1804. Collections of the
Aikaterini Laskaridis Foundation Library. Fair use license. via https://eng.travelogues.gr/item.php?view=50856
“Landscape near Geykli in the Troad. View near Chicle.” 1804. Collections of the
Aikaterini Laskaridis Foundation Library. Fair use license. via https://eng.travelogues.gr/item.php?view=50857

Landscapes of a vanished Constantinople from a bit back by Armenian-Ottoman painter Migirdic Civanyan (1848-1906).

"İstanbul’da Günbatımı." Undated
“İstanbul’da Günbatımı.” Undated. In the public domain in the United States because the artist has been dead over 70 years. via http://www.leblebitozu.com/gun-batimi-resimleriyle-unlu-sairlerimizin-16-aksam-siiri/

"Sarayburnu and tower." Undated.
“Sarayburnu and tower.” Undated. In the public domain in the United States because the artist has been dead over 70 years. via https://www.oguztopoglu.com/2013/08/ressam-mgrdic-civanyann-kz-kulesi-ve.html

"Fenerbahçe Manzarası." Undated.
“Fenerbahçe Manzarası.” Undated. In the public domain in the United States because the artist has been dead over 70 years. via https://www.istanbulsanatevi.com/sanatcilar/soyadi-g/givanian-migirdic/migirdic-givanian-fenerbahce-manzarasi6514/