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

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

Amateur taxidermy museum known for its large collection of white squirrels.

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

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

A museum of the dime museum that features weird entertainments of yesteryear, from feejee mermaids to flea circuses.

This charmingly homemade amusement park has been growing for 40 years.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

A colorful architectural gem in Seattle's uniquely modern Central Library.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

"The House That Love Built" is shying away from "The House That Ghosts Love."

Supposedly Satanic numbers adorn this preserved submarine sail.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

An Idaho legend carved out a cave village with his own two hands.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Dig for your own trilobites in this goldmine of invertebrates.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A small flooded ghost town with a few scattered structures remaining.

The largest island on the great salt lake is home to curious creatures and strange stories.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.