A rare underwater observatory in the Caribbean that provides breathtaking views of vibrantly colored aquatic life.

An unexpected must-see for fans of Star Wars who find themselves on the beautiful island of Sint Maarten.

The life of one of America's pre-eminent painters is frozen in time in the home where he lived, worked, and died.

Fill your car with gas and your belly with mouthwatering Cuban cuisine at this takeaway inside a Citgo station.

A monument to one of the few Olympic flames ever to be lit outside of the host city.

Every autumn, this grove of living fossils erupts in a blaze of brilliant golden-yellow leaves and stinky fruit.

Famed activist Hellen Keller was involved in the operation and administration of this vacation home for blind women starting in the early 20th century.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

The hulking remains of the Leesburg Lime Company Kiln lie dormant behind a historical marker close to the W&OD trail.

While seemingly a cruel joke, this bench actually honors an esteemed member of the community who passed away in 2006.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

An 83-foot tall granite obelisk honors the legacy of Dr. King in the heart of Norfolk's Black community.

This millstone-topped marker details the history of a mill that served as a landmark for both Union and Confederate soldiers during the American Civil War.

This cast-iron canine is a beloved icon among the people of Johnstown and ice hockey fans everywhere.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

Meet some of the most prominent figures in Black history through life-sized wax models.

An abandoned incline railway site is now a green space with six acres of trails connecting hilltop neighborhoods.

This museum is dedicated to the first coast-to-coast highway.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

A larger-than-life statue of America's favorite sundae marks the place it was invented.