This structure among the trees was the result of divine inspiration.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This experimental utopian "city of the future" in rural India may hold a dark secret.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Huge masonic hall in Philadelphia with lavishly themed rooms.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

Town of spiritualists and mediums in Florida.

The largest earthwork effigy in the world.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

Pyramid home to an obscure religious group that practices modern mummification.

One-layer pyramid in Indiana.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.