On trips to the UK, I have visited many places where my ancestors and families had lived, worked died and were buried - through addresses on census, certificates etc. Also churches where they were baptised, or married. Camera always vital!
I visited St. Peter's Church in Sheffield (now Sheffield Cathedral) where my great grandparents were married in 1865 (that's the bride on my avatar). When I was sitting in the church, the Vicar came and sat beside me, as I was writing things down, welcomed me and asked what my interest was.
I told him my great grandparents had married there - he thought a little minute then said "come with me"! I followed him into a little side chapel and he stopped in front of a small alter. Then he said, " you are now standing in the exact same place where your great grandparents would have stood to be married".
I had visions of them all standing there. An emotional moment!
Then he showed me round more, he was lovely! What I didn't know at that time, was that my g grandmother had left home to marry my great grandfather, "to the great distress of her parents"!
This was later found in a letter to another relative, which had been published in a book about her (an artist).
I also Google the addresses, and in the majority of cases, if these houses are still standing, have found them on real estate sites. Lots of super indoor and outdoor photos in today's time of course, but some very lovely old buildings.
My best find online for real estate was to find the house where my g grandparents, their parents and their children were living in the Lambeth London 1861 census. It's now a listed house in the Conservation Village of Stockwell.
But the visits I have made and the photos I have of the Miner's Rows of Ayrshire and the tenements of Glasgow are equally treasured by me.