The first hospital in the New World.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

Built in 1512, the oldest cathedral in the Americas.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

A colorful square marks the heart of the city's LGBTQ community.

This 19th-century building showcases memorabilia from the acclaimed 1939 film.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This Ocean Drive crosswalk has been paved in rainbow colors to honor the LGBTQ+ community and the man who brought pastel to Miami Beach.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A psychedelic labyrinth on the San Francisco bay.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

Wander down a side street dedicated to one of the members of the Beat Generation.

Built in 1906, this unique building was the first Hindu temple in the United States.

This private residence was the template for one of the most beloved television homes of all time.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

This castle has links to Portugal’s founding and struggles for independence.

A replica of the Roman emperor in glorious full color.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.