
Hundred-yard long, fifty-foot high section of a cave-like silica or sand mine, lit by candlelight and flashbulbs. 6x6 negative, colour prints, and high-resolution TIFF available.

Same section of the same mine, but on 35mm slide film with a wide-andle lens. Prints and 4000dpi TIFF also available.

Vast, well-lit telecommunications tunnel beneath a large city, with fiber-optic cables on racks on both walls. high-resolution TIFF available.

An Urban Explorer examines steam pipes in the subbasement crawlspace of a university campus building. 35mm transparency, similars, high-resolution scans available.

View down a length of steam tunnel at a large college campus. 35mm transparency, high-resolution scans available.

Candlelit cave, Saint Paul, Minnesota. One of many manmade caves in the Lilydale area of the city, often incorrectly known as the Wabasha Street Caves, which were popular hangouts and party spots for area teenagers until the caves were sealed by the city following the deaths of three youth in one of them in the spring of 2004. 6x4.5 negative, similars (including horizontal), high-resolution digital files, and prints available.

Section of an underground utility tunnel with electrical cables on the walls. Digital original.

Underground electrical utility tunnel with cables stretching off into the distance. Digital original.

The much-rumored streetcar tunnel beneath Selby Avenue in Saint Paul, Minnesota. High-resolution scan from a 6x7cm transparency, similars available.