A cannonball from Union forces battling John Hunt Morgan made this church a permanent home.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Last church of this militaristic WWII style.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The abandoned railway bridge stands hidden in the farmland of rural Cumbria.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Some believe that this ancient mural depicts technology far ahead of its time, but in reality it's nothing quite out of place.

Beloved children's TV characters freckle the German city's streets.