Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

University City's quirkiest resident lives in a park named after its first.

America's only nuclear missile silo open to the public.

European castle ruins in an American state park are actually the product of death and grief.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

This unconventional used book store was once in the news for the surprising act of burning books.

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

A college in rural Kansas founded to prepare the country for an impending World War III.

Where the author wrote her beloved "Little House" books.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

Destroyed by flood waters, prison now serves as a training ground for armed forces.

A floating museum that was sunk by a flood and left to rot in the tides.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A Mormon place of exile in Missouri.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.