Boats must transform into railroad cars to navigate this Polish canal.

Modern art commemorates one of the first military actions of World War II.

The site of the first battle of World War II.

This Communist-era residential block is one of the longest residential building in Europe.

A haunting deserted hotel is a favorite with artists and photographers.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Japanese island famous for poison gas and fluffy bunnies.

Be(w)ar(e) the moat around this historic Czech castle.

The USSR’s Conquest of Nature lead to the domestication of many moose—no squirrel.

Some of the world's only freshwater seals live in one very special lake in Russia.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Con Edison’s exotic and heat-loving pests.

4,000 monkeys used for medical testing on an island off of South Carolina.

Giant, friendly pelicans in Central London, the most unlikely of places.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

In paradise, feral pigs have claimed an island all to themselves.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Wallabies live naturally on this Irish island.

Cave where bat-eating snakes hang down from the ceiling.

Morocco's Argania trees are infested with nut-hungry goats.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.