Faces carved into the cliffs create an otherworldly walking trail.

Considered by many to be one of the most dangerous highways in Alaska.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

The largest earthwork effigy in the world.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

One of the last few period-correct, hand-operated canal locks in the country.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Rare recess caves fill this unbelievably beautiful Ohio park.

The mounds at this site were reconstructed with the help of archaeologists and historians.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

An unassuming 13-acre park is home to over 12,000 roses.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

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

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

A building so large that it has its own weather.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A historic presidential getaway on the continental United States' southernmost island.