Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Strange physical sensations and optical contradictions keep visitors coming back for more.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Astounding collection of coin-operated games and automata.