Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

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

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

It would take 35 firetrucks to fill this enormous glacial pothole.

The land is home to swimming ponies and a legendary 18th-century treasure.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

Remnants of a storybook amusement park hidden behind a strip mall.

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

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

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

A museum dedicated to exhibiting remarkable outsider art.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The trials and tribulations of marking Poe's grave.