A wartime promise becomes a shrine to Our Lady of Lourdes.

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

This stately clubhouse has showcased German-American culture for over a century.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

A clear blue swimming hole with hidden caves, still unexplored.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

Alexander Hamilton’s creation caused quite a bit of controversy.

The first American axe throwing club.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A toxic ghost town sitting atop a massive coal fire.

A beautiful oddities shop crammed with strange and morbid curiosities.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

World's first "penitentiary," meant to be humane, drove men insane.