Vienna, Austria
Flak Towers
Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.
Places I want to go
Places on this traveler's wishlist.
Vienna, Austria
Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.
Tal, Austria
Each year melting snow turns these Austrian hiking trails into scuba zones.
Graz, Austria
The shell of a medieval fortress offers commanding views of the area it once protected.
Swansea, Australia
This historic Australian bridge was built by convicts with giant stone spikes to prevent cattle from falling off the sides.
Sydney, Australia
Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.
Helensburgh, Australia
An abandoned railroad tunnel is now filled with bioluminescent bugs.
Melbourne, Australia
Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.
Bundoora, Australia
Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.
Box Hill, Australia
A local landmark that has become a hub of graffiti and urban exploration.
Deniliquin, Australia
The world's largest gathering of flatbed coupes can be found annually at this rural festival in New South Wales.
Kaputar, Australia
The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.
Mount Surprise, Australia
White cockroaches and other cave species occupy this massive series of lava tubes.
Rossville, Australia
Legend says entire herds of cattle have disappeared within this boulder-strewn landscape.
Mount Gambier, Australia
An incredible garden taking over the interior of a massive sinkhole.
Glenside, Australia
A perfectly preserved abandoned criminal asylum in South Australia.
Darwin, Australia
World War II ended before these tunnels built to protect vital oil from Japanese bombs were ever used.
Two Rocks, Australia
An abandoned marine theme park has created a difficult experiment in dolphin rewilding.
Ularring, Australia
A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.
Leonora, Australia
This once-booming gold mining hub was basically abandoned overnight.
Hamelin Pool, Australia
Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.
Australia
This pair of Australian "waterfalls" appear to be falling straight across the land.
Khndzoresk, Armenia
Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.
Areni, Armenia
This series of Armenian caves held the oldest brain, shoe, and winery in the world.
Garni, Armenia
A geological oddity topped with a 2,000-year-old pagan temple.