The highest bridge in America was built for an almost unnervingly small amount of money.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

This fully restored synagogue explores the American Jewish experience along the old frontier.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

What was once a summer home next to a waterfall has now become littered with graffiti and children in swimsuits.

A renovated hotel is bringing new life to a nearly-abandoned mining town in Colorado.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A historic and oft-filmed prison stands in a Chicago suburb.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

These abandoned grain silos and tunnels are an urban exploration dream.

The sign to a demolished amusement park now stands in front of a local library.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

Chicago’s incendiary role in the labor movement.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

This striking art museum holds an amazing series of curiosity cabinets.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

This lush 12-acre site was once named the finest Japanese garden in North America.

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

This unassuming city park is home to three different types of Native American mounds.