The so-called Greek Pyramids, also called the Pyramids of Argolis, are several frusta or truncated pyramidal shaped structures and “blockhouses”, located on the eastern part of the Peloponnese peninsula in present-day Greece.
On the small island of Isla del Caño and the Diquís Delta in Costa Rica are over 300 stone Petrospheres often referred to as the Diquís Spheres, that have been attributed to the now extinct Diquís culture.
Siq al-Barid, also called ‘Little Petra’ is a Nabataean site in the Ma'an Governorate of Jordan that features rock cut tombs, stone-built architecture, and a complex system of hydrological engineering.
The Hierapolis Ploutonion is a sacred sanctuary in the ancient Greco-Roman-Byzantine city of Hierapolis, located in classical Phrygia in the present-day province of Denizli, Turkey.
The Danevirke is system of large defensive earthworks and walls that stretches across the neck of the Cimbrian peninsula in Schleswig-Holstein, Germany.
Chislehurst Caves is an extensive complex of subterranean tunnels of uncertain origin that stretch up to 35km in the suburbs of south London in Chislehurst,...
The Kingdom of Kush was an ancient African kingdom located in Nubia, a region along the Nile rivers encompassing the areas between what is today central Sudan and southern Egypt.
The Golden House (Domus Aurea) was a Roman palace complex built on the slopes of the Palatine, Esquiline, Oppian and Caelian hills in Rome by Emperor Nero.
The Aksumite Empire was an ancient kingdom that existed in Ethiopia from 100 CE to 940 CE. Centred on the city of Axum in Ethiopia, the nation grew from the proto-Aksumite Iron Age period around 400 BCE to its height around the 1st century CE.
La Couple, codenamed “Bauvohaben 21” was a giant Nazi complex built in the Pas-de-Calais region of northern France.
The bunker was an ambitious project to...
Harta is a village located 100 km south of Budapest on the banks of the River Danube, famed for its bespoke artisan craftsmanship, unique floral art and local village customs that sets it apart from the rest of Hungary.
North Weald Mobilisation Centre (North Weald Redoubt) was one thirteen late 19th century “London Defence Schemes” of earthwork fortifications or forts in the south-east of England, designed to protect London from foreign invasion landing on the south coast.