He has a vehicle that can travel underground, boring through solid rock.

Living in canyons, traveling underground, people go for long stretches barely focusing on the rivers, bays and harbor.

It travels underground through the city centre between Paddington and east London.

The Doombuggies then travel underground, into some underworld, and see a series of coffins being opened by their skeletal residents.

It seemed to travel underground, and died out deep beneath us.

The Doom Buggies then travel underground, into some catacombs, and pass a series of coffins being opened by their skeletal residents.

When he traveled underground, Beck was flooded with a vast wealth of memories hidden down there.

The team travels underground, then above again, battling machines.

If the creature traveled underground, the bedrock was probably full of weak spots.

The alien's not hiding, it's traveling underground!