Guests wait to enter Silverwood's Scarywood Haunted Nights on Friday, Sep 30, 2016, at Silverwood Theme Park in Athol, ID. The annual Halloween event opened Friday and runs until the 29th of October.

Silverwood's Halloween event known as 'Scarywood' will run a month long and feature all sorts of haunts and spooks. ... Idaho — Silverwood's yearly transformation to Scarywood starts on Sept. 29.

It’s no surprise that Halloween is big business, and not just at theme parks. It’s estimated by the National Retail Federation that Americans will spend $8.4 billion (billion with a B) this ...