These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

A network of concealed passageways lies within a busy London Underground station.

These particularly resplendent rodents are the state animal of Maharashtra.

Faces carved into the cliffs create an otherworldly walking trail.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

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.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

Come for the flowers, stay for the bats!

An incredible garden taking over the interior of a massive sinkhole.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

A stray meteor left this picturesque hole in the Australian outback.

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

A sparkling sandstone cliffside that's worth a visit while it still exists.

This extraordinary geological oddity resembles human-made pavement.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

A small, but award-winning beach known for its literally spotless reputation.

Once the path of a railway tunnel, now home to thousands of glowing insects.

Australian Lake set aglow by Noctiluca Scintillans.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

A calico cat named Tama was the wildly popular Super Station Master at this train stop in southeast Japan.

A registered historic landmark shrouded in unsettling local legends.