The Baltic Sea Anomaly
By Emilia Wellesley · Published May 7, 2026 · Updated May 8, 2026 What Is the Baltic Sea Anomaly? The Baltic Sea anomaly is a roughly 60-meter-wide near-circular feature on the floor of the northern Baltic at the center of the Bothnian Sea, lying at a depth of about 87 to 91 meters between Sweden […]
The Ulfberht Swords
By Emilia Wellesley · Published May 7, 2026 · Updated May 8, 2026 What Are the Ulfberht Swords? The Ulfberht swords are a corpus of roughly one hundred and seventy Viking-Age blades, produced between about 800 and 1000 CE, bearing an iron-inlaid +VLFBERH+T or +VLFBERHT+ inscription along the upper third of the blade. The metallurgically […]
The Nebra Sky Disk
By Emilia Wellesley · Published May 7, 2026 · Updated May 8, 2026 What Is the Nebra Sky Disk? The Nebra Sky Disk is a bronze disk roughly thirty-two centimeters across, inlaid with gold-leaf depictions of the sun or full moon, a thin crescent, a cluster of seven stars read as the Pleiades, and two […]
The Giants of Mont’e Prama
By Emilia Wellesley · Published May 7, 2026 · Updated May 8, 2026 What Are the Giants of Mont’e Prama? The Giants of Mont’e Prama are a group of large stone statues carved by the Nuragic civilization of Sardinia, dated by most scholars to the late ninth through early eighth centuries BCE. They were unearthed […]
The Shroud of Turin
By Cassiel Marlowe · Published May 7, 2026 · Updated May 8, 2026 A linen cloth folded in a silver casket beneath the apse of Turin Cathedral has, for nearly seven centuries, asked the same uncomfortable question of every visitor: what kind of object is this, exactly? The Shroud of Turin bears a faint, life-sized, […]
The Yonaguni Monument
By Emilia Wellesley · Published May 6, 2026 · Updated May 8, 2026 What Is the Yonaguni Monument? The Yonaguni Monument is a submerged rock formation off the southern shore of Yonaguni-jima, the westernmost inhabited island of the Ryukyu archipelago in Okinawa Prefecture, Japan. It rests at depths of roughly five to twenty-five metres in […]
The Derinkuyu Underground City
By Emilia Wellesley · Published May 6, 2026 · Updated May 8, 2026 What Is the Derinkuyu Underground City? Derinkuyu is a multi-level subterranean city carved into the soft volcanic tuff of central Cappadocia, in present-day Nevsehir Province, Turkey. Excavated portions reach roughly 60 to 85 meters below the surface, with about eight cleaned levels […]
The Walls of Sacsayhuamán
By Emilia Wellesley · Published May 6, 2026 · Updated May 8, 2026 What Are the Sacsayhuamán Walls? The Sacsayhuamán walls are three tiered terraces of cyclopean polygonal masonry on a hill above Cusco, Peru, built by Inca masons in the fifteenth century. The largest blocks weigh more than one hundred tonnes. They were quarried, […]
The Dropa Stones
By Emilia Wellesley · Published May 5, 2026 · Updated May 8, 2026 What Are the Dropa Stones? The Dropa Stones are a set of perforated stone disks said to have been recovered in 1937-1938 from caves in the Bayan Har Mountains on the Sino-Tibetan border, allegedly inscribed with spiral hieroglyphs decoded in 1962 to […]
The Longyou Caves
By Emilia Wellesley · Published May 5, 2026 · Updated May 8, 2026 What Are the Longyou Caves? The Longyou Caves are a complex of twenty-four hand-cut sandstone chambers near the village of Shiyan Beicun in Zhejiang Province, eastern China. Workers carved them downward from the ground surface into a low hill, leaving smooth pillars, […]