Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

The remains of the iconic train crash from the movie 'The Fugitive' can still be found rusting along the Great Smoky Railroad.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Follow the steps, and this roadside artwork will teach you how to dance.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The 606 is a decade in the making.

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

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

A European-style bath house in Chicago.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

A hollow cement depiction of time's inexorable effect on the human body.

First planned industrial community in the United States.

A lush green oasis in the middle of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Illegal drag racing two stories beneath Chicago’s streets.

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

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