18. Salto Hotel, Colombia
The Hotel De Salto opened in 1928 near Tequendema Falls in Colombia to serve tourists who came to marvel at the 157 meter-tall waterfall. It closed down in the early 90s after interest in the waterfall declined. In 2012, however, the site was turned into a museum.
19. Abandoned Subway Tunnel in Kiev, Ukraine
general-kosmosa.livejournal.com
This image of an abandoned subway tunnel was captured in the metro system underneath Kiev, Ukraine. Many of the tunnels are partially flooded, and stalactites hang from the ceilings.