L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

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

Guns that have been defending San Francisco since 1904.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Dine like an American revolutionary at Colonial Williamsburg.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The only place for a truly presidential dram.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

This coastal port saw one of the most significant battles of the Civil War.

One person's lost luggage is another person's treasure.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

The pan man stands as a testament to the functionality of American cast iron cookware.

This limestone outcropping was once a ceremonial site for ancient Native Americans.