Volunteer-run library dedicated to exploring five decades of activism history.

A trove of tiny treasures hidden within a Florida park.

View rare birds and interact with lemurs at this nonprofit run entirely by volunteers.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

A high-octane shrine to the greatest Texans who ever lived.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A crumbling hospital from the 1850s on Roosevelt Island.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

The 28,000-year-old specimen is remarkably intact.

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

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Home to items never before seen by the public.

A Civil War Museum with some notable medical antiques.