A menagerie of concrete animals brought together from across New York City's parks.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The ruins of an early 1900s neo-Baroque mansion sit nestled in a local park in the Hungarian plains.

One of Bogdan Bogdanović's first spomeniks honors those who died during the People's Liberation Struggle in Macedonia.

An enormous factory from the late 1800s sits abandoned on Cleveland eastside.

A historical puzzle lies at the origins of this structure.

A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

Space-age monument to an early 20th-century uprising.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

Quite possibly the most isolated bus stop on Earth.

Kayak out to a floating restroom.

Well-preserved ruins in the Pine Grove Hills of western Nevada.

Towering earthen formations that rise straight out of the ground in New Zealand .

This 19th-century church was built for Sicilian immigrants, survived World War II, and today stands on a landfill.

A film center envisioned to rival Cannes ended up as a haunted place after at least 168 people were killed during the rushed construction.

A former drinking water storage reservoir transformed into a sunken garden.

More than 100 antique vending machines housed in a used tire shop sell everything from candy to sake and ramen.

Above the door of a house, a plaque claims to commemorate the future living place of the inventor of time travel.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

Legend says the building's unusual features were added at the request of a paranoid president.

Despite the name, this unusual palace in rural Tunisia never belonged to an Italian dictator.

This overlooked street light once served as a KGB dead letter box.