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

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

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

Enter the Forest of the Elves.

20,000 pieces in a Frank Gehry-designed building.

This lab's maddening silence is good for business but bad for sanity.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

These curious caverns have been home to mushrooms, gangsters, and disco.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

An abandoned gun-funded 19th century utopia.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

An abandoned Depression-era zoo hidden just off the highway.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

Ruins of a historic medical facility sits eerily by the water.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.