A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

This mysterious hill seems to pull objects uphill.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

The largest historic preservation organization in the United States.

A medical facility that has been kept frozen in time.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A collection of over 2000 air-moving devices of all kinds displayed in the Fanimation headquarters.

The first spinning jail built in the United States is the only one that still turns.

An unknown number of cholera victims are buried in two nondescript graves.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

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

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

A museum celebrating the self-taught artist-environment builder.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

A quaint miniatures museum that turns its focus towards the lives of Americans in a simpler time.

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