This elaborate towering structure was once famed for its revolutionary height.

An obelisk commemorating Lincoln's role in connecting the coasts.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

A small burial plot formerly stranded in the middle of a road.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

Home with Gothic windows featured in a famous painting.

The oldest university museum west of the Mississippi retains its 19th century feel.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

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

An extravagant western hotel where every floor is the "ground floor."

A home designed to be on the cutting edge of comfortable, low-cost living.

At the turn of the 20th century, the Minnehaha County courthouse played host to sensational public divorce trials.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

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

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

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.

These Depression-era WPA sculptures have made a couple of stops over the years.

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

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.