The show pony of cave systems, Fantastic Caverns manages to live up to its name.

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

This historic cliffside mansion uses a natural cave for air conditioning.

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

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

This otherworldly church spire reaches up toward the heavens.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This recently restored timepiece has stood all around Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A piece of John the Baptist in the American heartland.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

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

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

An outdoor installation of 20 vintage signs that once hung in front of businesses throughout town.

This natural wonder is disappearing at an alarming rate.

The arch marks the beginning of the road for northbound travelers.

Roadside collection of 65,000 signs.

Natural earth mounds formed in the far north.

The easternmost town in Alaska can only be accessed from Canada.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

Considered by many to be one of the most dangerous highways in Alaska.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

The now-serene site of the largest earthquake ever recorded in North America.