The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

A tragedy and memorial that raised awareness about the dangers of unsealed mineshafts.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

Tirelessly maintained by a Wisconsin man named JFK.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

A museum dedicated to exhibiting remarkable outsider art.

This free, take-a-book shop seems like a trick but isn't.

The trials and tribulations of marking Poe's grave.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

This university transit system is a 1970's vision of the future.

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

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

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

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

An abandoned 1920s school with a mysterious history.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

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

America's post-nuclear-attack chambers of Congress.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.