Inside this Krakow church, an explosion of psychedelic color.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

This historic park site contains the last remnants of a once bustling canal system.

The oldest continuously inhabited street in America.

100 massive sculptures in the Hudson River Valley.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.