Abandoned mines in New JerseyTimothy Rack of the Morris County Park Commission at the Dodge abandoned mine in Jefferson, NJ on Thursday, January 9, 2025 Get Photo ...

Dan Lopez is a modern-day explorer who has focused his attention on the hundreds of abandoned mines hidden well below New Jersey's ground.

New Jersey has nearly 600 abandoned mines, according to state officials. (See an interactive map of abandoned mine locations below.) ...

A long-abandoned mine caused a sinkhole on I-80 last month, highlighting the dangers lurking just beneath the surface across New Jersey.

The collapse of an abandoned mineshaft created a giant sinkhole that took out the shoulder and right lane of I-80 east in Morris County, New Jersey, closing part of the busy highway, state ...

Before the United States was a country, New Jersey was mine country. State officials are aware of about 2,700 sites where mining or prospecting took place in the Garden State. The state Department ...

Roughly 588 abandoned mines lurk beneath the surface in nine northern New Jersey counties, including in Wharton. (Another nearby sinkhole opened up Friday on I-287 in Morris County, as well.) ...

The highway’s guardrail still hung suspended in the air across the gaping 40-foot-wide (12-meter) hole, which opened up when an abandoned mine collapsed under the highway’s right shoulder Thursday ...

There are more than 400 abandoned mines across New Jersey. At one point, they were essential to the state economy.

Road crews are repairing Interstate 80 in northern New Jersey after a sinkhole from an abandoned mine shut down the eastbound lanes. (WABC-TV) ...