Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A bizarre house filled with an astounding array of collections.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

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

Profile of a sleeping person 4km long in 250m high cliffs.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Half of a waterfall goes into the river while the other half seems to disappear.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

This friendly fellow was built to honor an advancement in mineral processing.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

When waves crash onto this section of beach, the rocks sing a song.

This quirky roadside attraction provides insight into Minnesota's logging history.

The watery grave of an impractical idea.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

A spooky defunct railroad tunnel now part of a sprawling trail.

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.

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

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

It's believed the soldier was 109 years old when he passed away.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A museum dedicated to an incredible woman who founded a pioneering school for rural Black students.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.