The effect of this ancient form of image projection situated atop an 11th century Moorish palace is thrilling.

The final resting place of the great navigator, or maybe his brother.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A park where you can watch the highway zoom past.

A medical facility that has been kept frozen in time.

This stately clubhouse has showcased German-American culture for over a century.

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

Two small markers remember the Alamo's feline protectors.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The world's largest rotating world.

Maine’s only official memorial to the Underground Railroad.

This museum explores the history of policing and is also home to a very popular taxidermied duck.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

This sidewalk tribute honors Colorado's great culinary creation.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

Final resting places of a husband and wife who became famous for their claims of extraterrestrial abduction.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

This picturesque abandoned home is rumored to be a spite house.