Here are some abandoned places that we discovered in Ukraine

Zhvanitsky Castle

Map (48.551399, 26.484301)
Originally build in the 15th century and being updated continuously for the next 200 years today there is not a lot left of the castle. You can see part of one tower and a second tower has an amazing view on the side of a cliff looking out over part of the river here. 

The location of the castle was so good for defense that in the same spot in the 1930’s another bunker was built as part of the Stalin Line of defense. This bunker is still there today looking out over the water but the door has been locked so going inside is not a possibility.