The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

Remember and reflect at this 9/11 memorial site.

The first burial place of the Harmonist Society, a utopian community for which the surrounding town of Harmony is named.

Giant trolls run this farm!

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

This replica of the Greek structure is in the heart of Nashville.

Prolific outsider artist Sid Boyum's concrete sculptures add whimsy to Madison's Schenk-Atwood neighborhood.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

Built in France in the 1400s, this gothic chapel now resides at Marquette University in Milwaukee, Wisconsin.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

Large one-man sculpture park in Michigan.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A multiversal transit station located right below a highway interchange.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

The only thing these street signs will help you navigate is your imagination.

This graveyard is home to the so-called "Witch's Circle."

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

A tiny 1857 chapel sits on top of a secluded, forested hill.