This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

One man's vision and a labor of love of many.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

The first spinning jail built in the United States is the only one that still turns.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

Symbolic attempt to overcome the issues of life.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A medical facility that has been kept frozen in time.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

The final resting place of the hero of Air Florida Flight 90 known as "the man in the water."

This small-town opera house has appeared much more in national culture and history than its charming setting might suggest.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

One of the finest examples of a black soil prairie that was barely saved by the Great Depression.

These Depression-era WPA sculptures have made a couple of stops over the years.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

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

This baseball diamond was home to the Rockford Peaches, a team featured in the hit film "A League of Their Own."