This defunct, fortress-like prison has been the setting for several movies.

A rainbow of kulfi and falooda flows from this Indian-style ice cream parlor.

This award-winning men's bathroom was just too beautiful to not allow women to see.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

This large midwestern cavern features impressive rock formations and an underground waterfall.

This video store is a horror buff's dream.

Dinosaurs invade a suburban Nashville neighborhood.

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

Walk the whole Mississippi River!

More than five miles of underground passageways.

Enormous lake at the bottom of a unique cave system.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Home of an evil witch famous within southern folklore.

Why settle for barbecue chips when you can get actual barbecue?

This shop for all your super spy needs hides an educational secret.

A former atom smasher turned into an art gallery.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.