This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A monument celebrating the idea of reaching inaccessible places.

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

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

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

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

A daily replay of the experiment that proved the rotation of the Earth.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.