The only Bahá'í house of worship in North America and one of only a handful worldwide.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

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

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

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

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

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

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

This unique zoo is the only place in the world where you can see all 15 species of crane.

The world's largest talking cow would like to tell you about the benefits of 100% Wisconsin dairy products, if only she still could.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

This massive roadside mascot was the first version of the giant to illustrate his butt.

When waves crash onto this section of beach, the rocks sing a song.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.