The world's brightest bioluminescent bay.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

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

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 was denounced by many—including Lincoln's own son.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

The oldest brick house in the state of Ohio.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This magnificent Cincinnati graveyard is also a popular public park.

What is it about mushrooms that makes people wish they lived inside of them?

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."