Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

A brick-paved former section of the historic coast-to-coast highway.

Dad jokes and wordplay abound in this comic fake cemetery.

The rusting remains of the largest assembled WWII fleet on the West Coast.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This municipal playground was co-created by the father of one of the most playful characters ever.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This recently restored timepiece has stood all around Kansas City.

The world's most elegant power lines.

Yo, Adrian!

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

One of the few brewers in the U.S. experimenting with hop-free beers.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

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

The California capital city once stood 10 feet lower than it does today.

The modest home of the very immodest dancer who cost a king his crown.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

The first U.S. town to secede from the Union, only to vote themselves right back in.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.