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

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

A hollow cement depiction of time's inexorable effect on the human body.

An avant garde art museum at the University of Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A century-old network of freight tunnels underneath the city's historic business district.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

The final resting place of the most famous sharpshooter.

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

The humble Hoosier roots of a famed Broadway composer.

The former home is said to be haunted by the ghosts of the beloved mayor and his wife who lived here.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

There is an art, a science, and certainly a responsibility to occupying The Big Red Chair, and this is where it's learned.

A quarter-scale locomotive wonderland built by one man and his family.

World's largest Christmas store.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

The writing studio of an American adventure author, built in the style of a medieval castle.

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

Take a drunken tour inside the world's largest known geode.