At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Pizza with a side of fine art.

The world's only known button museum.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

Internationally known record store and purveyor of "dusties."

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

The subtle science of a master molecular gastronomist.

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

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An antiquated German apothecary on Chicago's North Side.

A science teacher's dream.

An enormous park-like oasis, full of famous Chicagoans' graves.

A lush green oasis in the middle of Chicago.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This art center is way beyond your average pumpkin-carving operation.

The headquarters in Salem doubles as an occult art gallery.

Rumored to have tormented a family in the late 1960s, this toy now resides in a quiet little oddities shop.

A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

The oldest living cultivated fruit tree in North America.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

The grave of Mary Nasson is shrouded by witchy legends.