A celebrity from the late Cretaceous period.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

A tower that pays homage to local sailors who perished under the waves.

The world's tallest statue of an American hero.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

Salina's eye-catching giant mural depicting children at play is painted atop a century-old mill elevator.

The World's Largest Bull.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

Millions of dollars worth of sculpture decorate this Iowa city center.

This simple home was the beginning of a long journey for the iconic Western film star.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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

The trials and tribulations of marking Poe’s grave.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

The palatial McDonald's that inspired Wesley Willis.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

The oldest experimental corn field in America is still creating better ways to grow crops.

The park that the Chicago Stockyards built.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

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