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

This shallow cave got its name from copious amount of human bones found inside.

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

World's largest Christmas store.

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

The remains of a failed canal can be found in several towns near Lake St. Clair and is known historically as "Mason's Folly."

This 19th-century former train station’s unusual roof shape earned it a rather witchy name.

A small welcome symbol for visitors to Ann Arbor.

An ever-evolving wall of graffiti art off East Liberty Street.

Its floors are marked by colorful cues depicting Michigan's native fauna.

A watercolor recreation of a famous fresco unearthed at Pompeii.

A physical reminder of Earth's ancient past, this rock results from the photosynthetic processes of some of the oldest forms of life.

See prehistoric footprints, plus two complete mastodon skeletons.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

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

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

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."