The Manzana de las Luces, or “Block of the Lights”, housed the activities of the early Jesuit missionaries in the nascent Buenos Aires, and as a complex comprises the church of San Ignacio, a... »

Subterranean Sites | Edited by

During World War II, Japanese naval forces in Okinawa, led by Rear Admiral Minoru Ota, built an elaborate underground headquarters, with hundreds of meters of connecting tunnels under a hill in... »

Memento Mori, Ossuaries, Catacombs, Crypts, & Cemeteries, Ghost Towns, Disaster Areas, Subterranean Sites | Submitted by spinkk | Updated by wythe

Red bricks melted to stalactites, look like Hell Raiser's "Pinhead" character. »

Disaster Areas, Incredible Ruins, Subterranean Sites | Edited by littlebrumble

In disaster movies, when the asteroid is hurtling towards earth, or the super volcano is about to blow, there is always a top-secret location where the president, government officials and... »

Retro-Tech, Disaster Areas, Incredible Ruins, Repositories of Knowledge, Subterranean Sites | Edited by and Dylan

The Kiev Pechersk Lavra in Kiev, Ukraine is many things. Also known as the Kiev Monastery of the Caves, first and foremost it is a a historic Orthodox Christian monastery, built on top of a... »

Miniatures, Microminiature art, Memento Mori, Relics and Reliquaries, Catacombs, Crypts, & Cemeteries, Curious Places of Worship, Subterranean Sites | Edited by Dylan

The Gates of Hell at first glance seem to be a normal drain. but further research reveals a dark urban legend that lies within. the drains are covered in satanist and racist graffiti. bones and... »

Subterranean Sites | Edited by

The Kristiansand Kanonmuseum is home to the world's largest fully functional land-mounted naval gun. Once a part of the Atlantikwall (Atlantic Wall), the Nazi's huge defensive line that ran... »

Museums and Collections, Unique Collections, Retro-Tech, Incredible Ruins, Subterranean Sites | Submitted by vicphillipson | Updated by wythe

The underground halls of the mountain queen, dug out of the solid rock, Verdizia looks like it was taken directly from the pages of Lord of the Rings. In reality it is a cave-palace-monastery... »

Architectural Oddities, Curious Places of Worship, Incredible Ruins, Subterranean Sites | Edited by stanestane

One of the most mysterious places in Athens is rarely ever visited. This is in part because there is so much superstition surrounding the mountainside of Pendeli that even modern people are... »

Curious Caves, Mystery Spots and Gravity Hills, Architectural Oddities, Curious Places of Worship, Subterranean Sites | Edited by travelmuse and wythe

Unbeknownst to the thousands of people who walk and drive along the busy streets of downtown Brooklyn every day, they are treading on a 165 year old secret. At 17 feet high, 21 feet wide and 1,611... »

Subterranean Sites | Edited by Dylan