A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

Tiny treasures, giant murals, and strange sculptures decorate the windows and doors of this abandoned building.

Steel remnants of a bridge make up a unique sculpture along the banks of the Illinois River.

Once known as the Illinois Asylum for the Incurable Insane.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

The park that the Chicago Stockyards built.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

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

The empty tomb that houses the memories of Roy Bertelli's revenge.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

The poet’s boyhood home is now dedicated to celebrating his life and legacy.

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

This sprawling museum holds one man's giant collection of real tanks.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

Eighteenth century house of the mysterious "Father of Raleigh."

One of few surviving standpipe water towers in the U.S.

This is not your typical jungle gym.

This beloved marketplace mascot poops money and grants good luck.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.