Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

An enormous natural sandstone bridge in Kentucky.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This little museum in the town where zombies were born celebrates the living dead.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

America's first serial killer rests in anonymity.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

History is hiding at the Morean Center for Clay.

The world's largest underwater restaurant is submerged off the southern tip of Norway.