During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

House built with over 60,000 glass bottles.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

A rare wayfinding portmanteau of “Street” and “Avenue.”

This abandoned horse racing track was an exercise in hubris from its inception.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

A Tucson museum and performance space full of found-object movable sculptures.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

One of the largest open-pit copper mining operations in the entire country.

Stairs often replace streets on the steep slopes of this old mining town.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

A mysterious spirit totem at the edge of Navajo lands.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Cold storage for agricultural biodiversity.

Natural time capsule containing an alien ecosystem.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."