A Perpetually Under construction Park.

When flour explodes, it's not a pretty sight.

The only arched bridge made of stone on the entire Mississippi River.

A Building for Your (Former) Funerary Needs.

Funhouse of found art and participatory sculpture.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Homemade outdoor church and sculpture garden decorated with glass shards.

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

The world's only known button museum.

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

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

An astounding collection of medical specimens, including bits of President Lincoln.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.