An old railroad crossing that’s been converted into a pedestrian bridge.

A memorial to the Potawatomi chief who allegedly ran nearly 150 miles to alert settlers of an impending attack.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

This unusual lava tube spouts seawater during high surf.

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

A controversial memorial at the place where Captain Cook met his violent end.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This distinctive lighthouse with an iron skeleton is one of the tallest on the East Coast.

When you can't get to the Pacific, just go to Florida.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

The murals have transformed a residential alley into a vibrant drive-through gallery.

This kitsch eatery is chock-a-block with bric-a-brac.

Public works and national defense project meant to carve a canal all the way across the state of Florida.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

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

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