One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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.

The watery grave of an impractical idea.

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

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

Cemetery featuring rare glass-fronted columbarium.

An antiquated German apothecary on Chicago's North Side.

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

A Bibliophile's Dream.

The 606 is a decade in the making.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

This historic hotel invented the chocolate brownie.