This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Walk the whole Mississippi River!

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An homage to everyone's favorite prehistoric cartoon family.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Experience a charming 1930's version of "infotainment."

A fitting attraction for the corn capital of the world.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Largest Roman Catholic church in North America.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The house where John Wilkes Booth conspired with his co-conspirators.

Home to items never before seen by the public.

The most decorated dog of World War I is preserved in the Smithsonian.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

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