This cemetery is all that remains of a school for "wayward" girls.

A hidden grotto on the grounds of the Kane County Government Center.

Kentucky's longest operating jail is now a spooky spot to spend the night.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

The museum moved on, but the diorama remain.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

The park is home to the United States's only still-operating Dutch windmill.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

This cave holds a surprisingly colorful variety of geological oddities.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

Location of the Real World's disastrous, and protested, eleventh season.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

A lush green oasis in the middle of Chicago.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

People escaping slavery passed through the oldest house in Lombard, Illinois on their northbound journey to freedom.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.