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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Millions of numbers carved in glass represent the tattoos forced upon victims.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The world's first commercial spaceport is a disappointment of cosmic proportions.

The wild west is still alive and well at this authentic mining town watering hole.

A unique botanical garden housed in three giant geodesic domes.

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

A sprawling maze of used books piled from floor to ceiling.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

This small-town opera house has appeared much more in national culture and history than its charming setting might suggest.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Though illegal, city officials have made an exception for this work of art.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

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

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Elvis's own personal tropical hideaway.