Bosnia and Herzegovina
The former Bosnian Eastern railway, between Sarajevo and Pale, has turned into a dirt track near the zone of Pale, a municipality in Bosnia and Herzegovina, located southeast of Bosnia's capital Sarajevo. This gravel track includes 99 tunnels and several bridges, some of them really dangerous. The builders could have easily blasted the rock and made it a stonecut instead of a tunnel, but they chose to make a tunnel for a better engineering and artistic.
Paljenik is a high mountain pass at an elevation of 1.933 meters (6,341 ft) above the sea level in the Vlašić mountain, in the very center of Bosnia and Herzegovina.
Bjelašnica is a high mountain pass at an elevation of 2,067 meters (6,782 feet) above the sea level, located in the stunning Dinaric Alps, in central Bosnia and Herzegovina. The road includes seventeen hairpins before reaching the top. Loose gravel makes ascent a slow one.
Željava Airbase, situated on the border between Croatia and Bosnia and Herzegovina under Plješevica Mountain, was the largest underground airport and military airbase in the former Yugoslavia, and one of the largest in Europe.
The Adriatic Highway is an asphalted road in Croatia, along the eastern coast of the Adriatic Sea. The road, part of the European route E65, runs along the coast of Croatia, Bosnia and Herzegovina, and Montenegro. It's one of the best coastal drives in the world.
Čemerno Pass is a high mountain pass at an elevation of 1.293 meters (4,243 feet) above the sea level, located in the Republika Srpska in Bosnia and Herzegovina.
The M5 is a high mountain road located on eastern Bosnia and Herzegovina. It’s definitely not for anyone suffering from vertigo or a fear of landslides.
Pločno is a high mountain pass at an elevation of 7,300 ft (2.225m) above the sea level, located in Čvrsnica mountain, in the Dinarides of Bosnia and Herzegovina.
Gola Pljesevica is a high mountain pass at an elevation of 1.547m above the sea level, located in the Dinaric Alps, on the border of Croatia and Bosnia and Herzegovina.