A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

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

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

The 606 is a decade in the making.

Huge abstract sculptures of the Puerto Rican Flag.

A chance to follow in the footsteps of the word's most legendary animator.

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

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

The empty tomb that houses the memories of Roy Bertelli's revenge.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Underground tunnels remain beneath this abandoned mental asylum.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

A medical facility that has been kept frozen in time.

A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.