The London Tunnels are a mile-long series of underground tunnels built as a deep-level air raid shelter. They’re set to open ...

The Spanish National Court judge has officially requested Morocco’s assistance in the investigation of secret tunnel between ...

An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the ...

Sydneysiders and visitors will get to explore these underground tunnels thanks to a mammoth $1-million restoration project.

Former Fond du Lac Mayor Isaac Brown built the Octagon House in 1856, and it almost didn't survive the 1970s. Here's the history of the house.

Located in the 'Empty Diagonal' with no high-speed rail route in, the volcanic stone city has a fascinating story ...

The term “iceberg home” describes houses with elaborate lower levels like the Kansas City home of Chiefs player Travis Kelce.

Abandoned train tunnels 20 metres below the Sydney CBD have been turned into a historic tourist hotspot after a million-dollar makeover by the Minns Labor Government.

A sprawling network of secret underground tunnels is being transformed into a major new London tourist attraction. Hidden 40m below the streets of the capital, the Kingsway Exchange Tunnels were ...