The Aggitis River Cave in Greece is one of the largest and most spectacular river caves in all of Europe. It is located in ...

Join us on a journey to better understand Houston, one question at a time. Sign up to get the Houston Explained newsletter in your inbox every Tuesday and Friday. Houston’s downtown tunnels are one of ...

The Israeli Defense Forces (IDF) released a video showing what it describes as one of Hamas’s "most complex" underground infrastructures extending beneath the southern Gaza city of Rafah. According to ...

Ditching the UK for a trip to Greece is hardly a new idea. Last year, 4.5 million Brits arrived in the land of olive oil and ancient ruins, with arrivals from the UK increasing 88.5% in November 2024, ...

WSJ’s Dov Lieber reports from Gaza as the U.S. considers a plan to divide it into separate zones, with reconstruction only taking place on the Israeli-controlled side. Photo: Dov Lieber A detachment ...

Todd Caddy is the man behind the mirrored glass at Pittsburgh’s front door. His job: tunnel manager for PennDOT. From his office on a recent weekday morning on the south face of Mt. Washington, Caddy ...

We’ve known for quite some time that molten rock gouged enormous tunnels into the surface of the Earth, the Moon, and Mars. In fact, scientists have proposed that the vast lava tubes under the surface ...

ST. LOUIS – More than 30 feet below the ground in Forest Park sits a system of tunnels critical to the wastewater system in St. Louis. Those tunnels are part of the River Des Peres, where over four ...

Take a flight of discovery high above the enchanting island of Symi, Greece, with this breathtaking drone footage capturing its colorful neoclassical architecture, crystal-clear waters, and rugged ...

The green light has been granted to a woman who went viral for digging a massive tunnel under her home. "Kala," the supposed name of the homeowner and creator of the TikTok account ...

What if Cincinnati's old subway tunnels became an underground food hall and art market? Or canals for kayaking? Or speakeasy spots? The city asked for ideas on what to do with the unused subway ...