A spiritual vortex among the red rocks in Sedona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The trials and tribulations of marking Poe's grave.

A community of collapsing homes more than a mile out from the Florida coast.

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

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

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

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

World's first "penitentiary," meant to be humane, drove men insane.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.