Some families have incorporated the swapping strategy into their own Halloween celebrations.

A free outdoor Halloween celebration with a magic show, art projects, a treasure hunt, music and food; participants should come in costume.

Each year, their Halloween celebration has gotten longer.

The strategy resulted in only about 35,000 revelers for the 2008 Halloween celebrations.

This year, there is a shadow over her Halloween celebration.

Admission to the Halloween celebration is $5 per person and includes all activities.

The painstakingly planned party, an annual event, will be only part of the Fox family's Halloween celebration.

This year's Halloween celebration lasted the whole week.

It remains a favorite among children in Indiana and is often associated with Halloween celebrations.

Maleficent was due to return for the Halloween celebrations of 2010 but didn't.