Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

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

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

The final resting place of one of the United States's greatest poets.