Rising dramatically from the Tasman Sea, 12 miles (19.3 kilometers) southeast of Lord Howe Island, stands a massive, jagged basalt monolith.

In 1838, a Hungarian count donated his entire library to the Hungarian Academy of Sciences, unwittingly handing over one of history’s most baffling mysteries.

On December 8, 1972, a commercial airliner plummeted into a Chicago neighborhood, killing 43 people on board.

Beneath the waves of the Pacific Ocean lies a massive landmass that remained undetected by modern geography for centuries.

For a quarter of a century, one American man refused to let a single moment of his existence pass unrecorded.

Between the mid-1910s and the 1930s, a terrifying neurological disease silently infected over one million people across the globe and killed an estimated 500,000 victims.

In late September 2017, an invisible, radioactive cloud swept across Europe.

In the middle of the freezing, desolate expanse of the McMurdo Dry Valleys in Antarctica, a bright red waterfall bursts out of the stark white ice.

In a quiet coastal town in Japan sits a telephone booth overlooking the ocean.

In 2022, deep inside the San Lázaro rock shelter in Segovia, Spain, an archaeological excavation unearthed a peculiar 7.8-inch stone that immediately caught the attention of researchers.