The crash of this great airship signaled the beginning of the end for dirigibles.

Rare recess caves fill this unbelievably beautiful Ohio park.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The final resting place of the world's first nuclear reactor.

The only sea in the world that has no land boundary.

As its grandiose name implies, this wooden dome is unsurpassed in size.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

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

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

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

The watery grave of an impractical idea.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

All that's left of the quintessential "cabin in the woods."

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

World's first "penitentiary," meant to be humane, drove men insane.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A single handprint, which, according to Ohio State University legend, cannot be scrubbed off.