To find the "unicorns of the deep" you've got to go downstairs.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

A sacred Ojibwe site covered in pictographs next to Lake Superior.

A bizarre house filled with an astounding array of collections.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

A hidden grotto on the grounds of the Kane County Government Center.

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

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

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A bypass decorated with large wooden troll carvings.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

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

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Former bath house turns gastropub.

Where Cusack's record store from the film "High Fidelity" was located.

Location of the Real World's disastrous, and protested, eleventh season.