An emporium for the weird, creepy, rare, and just plain gross.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The library of every book lover's dreams.

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

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The first American department store, and home to the largest operating musical instrument in the world.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

An architecturally-focused antique shop.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Astounding collection of coin-operated games and automata.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A collection of artifacts from Maryland's maritime past.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.