Pompeii (Italy) – Destroyed by a Volcano (79 AD)

Pompeii was a thriving Roman city that met a sudden and catastrophic end when Mount Vesuvius erupted in 79 AD. The eruption buried the city under a thick layer of volcanic ash, preserving it remarkably well over the centuries. Rediscovered in the 18th century, Pompeii offers an extraordinary glimpse into Roman life, with its streets, homes, and artifacts remaining largely intact. Archaeologists estimate that around 11,000 people lived in Pompeii at the time of the eruption, and the site now serves as a chilling reminder of the power of nature. Designated as a UNESCO World Heritage Site, Pompeii attracts millions of visitors each year who come to witness the preserved ruins and learn about the catastrophic event that led to its demise.
Machu Picchu (Peru) – Abandoned (16th Century)
Machu Picchu, an iconic Incan citadel nestled high in the Andes Mountains, was likely abandoned in the 16th century due to the Spanish conquest and the spread of diseases that severely impacted the indigenous population. Rediscovered in 1911 by American historian Hiram Bingham, Machu Picchu has since been recognized as one of the most significant archaeological sites in the world. At its peak, it is estimated to have been home to around 1,200 people. The site showcases advanced Incan engineering and agricultural techniques, including terraced farming and sophisticated water management systems, which continue to fascinate scholars and tourists alike.
Angkor (Cambodia) – Declined Due to Climate Change & War (15th Century)
Once the capital of the Khmer Empire, Angkor is renowned for its magnificent Angkor Wat temple complex. The city began to decline in the 15th century, primarily due to a combination of climate change, including severe droughts, and military conflicts with neighboring kingdoms. At its height, Angkor was one of the largest pre-industrial urban centers in the world, with a population estimated at over one million. The intricate water management systems that supported its agriculture eventually fell into disrepair, contributing to its downfall. Today, Angkor is a UNESCO World Heritage Site and remains a major tourist attraction, drawing visitors from around the globe to explore its ancient temples and storied history.
Petra (Jordan) – Trade Decline & Earthquakes (4th-6th Century AD)
Petra, a remarkable city carved into rose-red rock, was a bustling Nabatean trading hub. Its decline began in the 4th century as trade routes shifted, and it faced significant damage from earthquakes in the following centuries. At its peak, Petra was a crucial stop for traders traveling between Arabia, Egypt, and the Mediterranean. The city was rediscovered in the early 19th century and has since become a symbol of Jordan’s rich history. As one of the New Seven Wonders of the World, Petra attracts visitors eager to explore its stunning architecture and historical significance, offering a fascinating window into the past.
Timbuktu (Mali) – Economic Collapse (16th-17th Century)

Timbuktu was once a vibrant center of trade and learning in West Africa, renowned for its universities and libraries. The city began to decline in the 16th century when European sea routes bypassed the trans-Saharan trade network, leading to economic collapse. At its height, Timbuktu was home to a diverse population and a hub for scholars and traders from various cultures. The decline of trade routes significantly impacted its economy, and by the 17th century, the city had lost much of its former glory. Recognized for its historical significance, Timbuktu is a UNESCO World Heritage Site, although it faces challenges today due to climate change and political instability.
Atlantis (Mythical) – Sunk into the Ocean?

The legendary city of Atlantis, described by the philosopher Plato, is said to have been a powerful civilization that was ultimately swallowed by the sea. While many consider Atlantis a myth, some theories suggest it may have been inspired by real events, such as the eruption of Thera (Santorini) around 1600 BC, which caused massive tsunamis and destruction. The story of Atlantis has captivated imaginations for centuries, leading to numerous explorations and theories about its possible location. Despite extensive research, no definitive evidence of Atlantis has been found, leaving its existence shrouded in mystery and sparking the curiosity of adventurers and scholars alike.
Cahokia (USA) – Mysterious Population Decline (13th-15th Century)

Cahokia was the largest pre-Columbian city in North America, located near present-day St. Louis. At its peak, it had a population of around 20,000, making it one of the most significant urban centers of its time. The city experienced a mysterious decline between the 13th and 15th centuries, likely due to a combination of climate change, resource depletion, and social strife. Cahokia is known for its impressive earthen mounds, including Monk’s Mound, which remains one of the largest prehistoric earthworks in the Americas. Today, Cahokia Mounds is a UNESCO World Heritage Site, preserving the history of this once-thriving civilization and continuing to intrigue researchers with its unanswered questions.
Great Zimbabwe (Zimbabwe) – Economic & Political Decline (15th Century)

Great Zimbabwe was the heart of a powerful African kingdom, renowned for its impressive stone structures and extensive trade networks. The city flourished from the 11th to the 15th centuries, with an economy based on cattle herding and trade in gold and ivory. However, by the 15th century, Great Zimbabwe began to decline due to overgrazing, shifts in trade routes, and political instability. The site is now a UNESCO World Heritage Site, recognized for its historical significance and architectural achievements. Great Zimbabwe remains a symbol of African heritage and resilience, offering insights into the continent’s rich and diverse history.
Tenochtitlán (Mexico) – Conquered by the Spanish (1521)

Tenochtitlán was the capital of the Aztec Empire, built on an island in Lake Texcoco. At its height, it was one of the largest cities in the world, with a population estimated at over 200,000. The city was known for its advanced infrastructure, including canals and causeways, which facilitated trade and transportation. In 1521, Tenochtitlán was conquered by Spanish conquistador Hernán Cortés, leading to its destruction and the eventual establishment of Mexico City. The fall of Tenochtitlán marked a significant turning point in history, leading to the colonization of the Americas and the decline of indigenous civilizations.
Mohenjo-Daro (Pakistan) – Climate Change & Mysterious Collapse (c. 1900 BC)
Mohenjo-Daro was one of the major cities of the Indus Valley Civilization, known for its advanced urban planning and sophisticated drainage systems. The city flourished around 2500 BC but experienced a mysterious decline around 1900 BC. Scholars believe that climate change, including shifts in river patterns and droughts, may have contributed to its abandonment. The site was rediscovered in the 1920s and is now a UNESCO World Heritage Site, providing valuable insights into one of the world’s earliest urban cultures. The reasons for its collapse remain a subject of ongoing research and debate among historians and archaeologists, adding to the intrigue surrounding this ancient city.

Besides founding Festivaltopia, Luca is the co founder of trib, an art and fashion collectiv you find on several regional events and online. Also he is part of the management board at HORiZONTE, a group travel provider in Germany.