A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A tiny 1857 chapel sits on top of a secluded, forested hill.

Picturesque and haunting, these 160-year-old stone ruins on top of a bluff are the only remains of a settler's legacy.

This cemetery is all that remains of a school for "wayward" girls.

These abandoned grain silos and tunnels are an urban exploration dream.

A bizarre house filled with an astounding array of collections.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

This steep-walled ravine contains animal-shaped formations made from sandstone.

An architecturally-focused antique shop.

Enter the Forest of the Elves.

A warehouse for all of your architectural details.