The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

A table rock formation that has been intriguing West Virginians for years.

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

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Ohio's 19th-century communist micro-society.

The angel of death appears to weep black tears at this grave marker.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.