Pittsburgh’s largest and most detailed model train display began as one WWI veteran’s hobby.

A T. Rex statue dressed as Mister Rogers honors the children’s-television pioneer.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

The 25th President's marble casket can be visited in this classical Ohio tomb.

These pretty kitties killed and ate as many as 135 railway workers.

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

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

Outsider art meets paleontology at this roadside reptile repository.

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

A piece of baseball history is preserved in a Pittsburgh parking lot.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A monument to the art of slicing people open.

No one knows how many bodies are in this vault in a Chicago public park.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.