So many migrating birds roost on the bridge, it has a special summer speed limit.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Take a dip in the world's largest mineral hot springs pool.

Even in death, he's still your huckleberry.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The highest bridge in America was built for an almost unnervingly small amount of money.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

The largest source of fossilized insects anywhere.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

There are eight natural springs around town, each with a slightly different taste.