Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

St. Augustine's record-setting narrow street was designed to protect against pirates.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

The largest retailer of seashells in the world.

A building so large that it has its own weather.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

An exquisite collection of fairytale conveyances that puts most car museums to shame.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.