A hidden alley in urban Baltimore is a haven for graffiti artists.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

Once America's tallest structure, now a Baltimore landmark.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Wedged between two sets of row houses is an awkwardly located family graveyard.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

This feline raises a friendly paw at drivers barreling toward the freeway.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Century-old shop, specializing in Occult products.

A layered tribute to the work of mosaicist Isaiah Zagar.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Step into a pastel time capsule where candy is truly dandy.

Huge masonic hall in Philadelphia with lavishly themed rooms.