This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

This stately clubhouse has showcased German-American culture for over a century.

The largest historic preservation organization in the United States.

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

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

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

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

Nature and art meet in this curvy creation

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

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Walk in the footsteps of the famed astronaut at Purdue University.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

This bridge was constructed from the remains of the first Ferris wheel.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

Former meatpacking facility turned vertical farm and sustainable business complex.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

This Neolithic passage tomb forms part of a World Heritage Site.

A historic landmark and museum filled with curious objects representing the history of Key West.