This holy site either displays a centuries-old cross or a complete fake.

Calcium-rich water has turned the water and rocks of these Philippines falls slightly green.

Five miles of underground river link lake to ocean.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Derelict airplane bodies serve as both home and income for three Thai families.

The best place in the world to buy tinned fish.

This artificial cave looks like something out of a fairytale.

Budapest's Communist-era statues, banished to the suburbs.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Legends surround an ancient tree trunk riddled with nails for good luck.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

A unique work of automotive art calls this shopping center home.

This vast collection of smoking pipes from across the world spans centuries.

Berlin's old airport.

Where royalty waits in the height of luxury.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Statues of two of Srem's most well-known animals.

A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.