One of the few surviving "Wigwam"-themed motels.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

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

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

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

The Trappist monk, prophet-poet, and rebel never really got to live out the eremitic life he was seeking.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

America's first public mental health facility.

Brain collection and database that narrows the gap between man and animal.

The unusual medical inventions of the man who gave the world Corn Flakes.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

This museum explores the history and development of dentistry and dental technology in Michigan.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

Medical history museum featuring a lovely doctor's office from the 1800s.

This museum explores the lives of Chang and Eng, the "Original Siamese Twins."

A medical facility that has been kept frozen in time.

The world's largest anatomically accurate brain sculpture.

This magnificent Cincinnati graveyard is also a popular public park.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

An idyllic mineral hot springs facility with a more-than checkered past.

Admire impressively detailed models of everything from a Pennsylvania Dutch kitchen to the world's smallest Swiss Army Knife.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Enormous lake at the bottom of a unique cave system.