The plants form a living library and laboratory for researchers and students at Michigan State University.

At HopCat, a marker honors fictional creatures with the ability to travel the missing dimensions of Kcymaerxthaere.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

Largest outdoor staircase in the United States.

As its grandiose name implies, this wooden dome is unsurpassed in size.

This vacant station is a relic of harvest processing techniques of the mid-20th century.

This small museum is dedicated to making sure the history of the natural ice industry doesn't melt away.

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

It's gunky, it's gross, and it's been freed from the sewer and put on display.

Little did a museum know, they possessed the last-known lunch wagon in existence.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

The only surviving prototype for Buckminster Fuller's house of the future.

This feline raises a friendly paw at drivers barreling toward the freeway.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

Strange physical sensations and optical contradictions keep visitors coming back for more.

Astounding collection of coin-operated games and automata.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

This freshwater spring fills with 10,000 gallons of water per minute.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

A Museum of Holography frozen in 1974.

The first home and studio that belonged to the famous architect.

A wondrously macabre treasury of obscure antiques and unusual oddities.

An actor's tribute to a former mentor.