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

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

A Bibliophile's Dream.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

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

A lavender labyrinth so large it’s visible on Google Earth.

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