Yo, Adrian!

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

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

In which a local geological marvel becomes a quaint roadside attraction.

A park full of outsider art, created by college students studying outsider art.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

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

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

In an alley not far from where two great highways meet, byways of a very different sort are honored.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

One-layer pyramid in Indiana.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

The museum chronicling a treasure hunter's dream, fulfilled.

It's a pretty creepy lock-up.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.