One of two giant blue cockerel statues erected with an intentional double meaning.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Former self-sufficient mental institution now a planned community.

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

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

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

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.

There aren't too many operational funiculars around, but Pittsburgh has two!

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

Northern Ireland's Brobdingnagian stepping stones.

One of Ireland's most infamous prisons for rebels including men, women and children.

The modern birthplace of Irish freedom.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

A monument celebrating the idea of reaching inaccessible places.

A horse-drawn 1858 steam pumper fire engine encased in glass on the front lawn of a Michigan insurance company.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.