The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

One man's vision and a labor of love of many.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

These unusual rooms on wheels are holdovers from the 1960s.

A historic coal mine that doubles as a museum and tourist attraction.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Remnants of a storybook amusement park hidden behind a strip mall.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This former asylum for Black Americans is haunted by its history of violence and racism.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The land is home to swimming ponies and a legendary 18th-century treasure.