This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

These markers are used to determine the ground stability of the Strip.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Water of undetermined depth has attracted rare fish and cult leaders alike.

An eatery for UFO seekers on the Extraterrestrial Highway.

This small, nautical gift shop is home to a 500-pound behemoth.

In this quiet park a rendition of a classic painting graces the outside of a charming restroom.

"The Most Boring Road in the State."

An enormous roadside pan tells the story of a battle for pie glory.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

Former self-sufficient mental institution now a planned community.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Strange physical sensations and optical contradictions keep visitors coming back for more.

This vacant station is a relic of harvest processing techniques of the mid-20th century.

The final resting place of a prominent Chippewa chief and several Native American children.

This resort community was known as the "Black Eden of Michigan."

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Odd outsider art installations surround a Gold Rush-era ghost town.

Opulent downtown movie theater now houses cars as an indoor parking garage.

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

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

A larger-than-life statue of America's favorite sundae marks the place it was invented.