The huge, subterranean complex was deserted, as Kirk knew it would be.

Had they come full turn around or entered a separate part of the subterranean complex?

In the 1970's the company built a 200-yard-long subterranean complex for aging the varietals.

I have determined to descend once more into the Morlocks' subterranean complex.

Antoniyev caverns is the unique subterranean architectural complex 11th-19th centuries.

There is an extensive subterranean complex located down the manhole, including a sewage system.

Its scouting role was over, having discovered a huge, distributed AI core at the center of the subterranean complex.

Beneath the temple lay a subterranean funerary complex intended for the king and his family.

The island is grassy and windblasted, but eventually the characters discover a stone door leading into a subterranean complex.

Eisenhower and Smith's offices were in a subterranean complex.