This empty Detroit high school was too expensive to maintain or destroy.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Beside some power panels, a plaque celebrates the history of an alternate world.

The world's first time capsule lies behind a welded steel door in Atlanta.

Mai Tais and Navy Grog served up in one of the original tiki bars.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

A colorful square marks the heart of the city's LGBTQ community.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

An underground magnet for ever-changing street art.