In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

Art Deco urban decay at this historical building.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

This vast kitty-themed collection illustrates the history of human-cat interaction.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A sculptor's dream castle turned fantastical ruin.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

A Medieval Water Tower in the Heart of Massachusetts.

Surrounded by lonely toys, this Massachusetts gravestone marks the final resting place of six children who were murdered by poverty.

This hidden labyrinth offers walkers some brief peace of mind.

Journey through vintage Americana inside this small Massachusetts shop.

An 80-year-old house built out of newspapers.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

Painstakingly built dioramas sit unnoticed in a Boston office building.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

There is an art, a science, and certainly a responsibility to occupying The Big Red Chair, and this is where it's learned.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

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

An office built to look like a giant basket.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.