This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

The only thing these street signs will help you navigate is your imagination.

Once part of an extensive network of fire towers, this is one of the few remaining in this Wisconsin forest.

This cave holds a surprisingly colorful variety of geological oddities.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

More than 5,000 contemporary and "historic" mustards from around the world.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.