The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

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

World's first "penitentiary," meant to be humane, drove men insane.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

The last street in Pittsburgh that's paved with wood.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A beautiful oddities shop crammed with strange and morbid curiosities.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

Taxidermy and miniatures come together to create this unique museum.

This scenic overlook commemorates the tragic death of a soon-to-be-married lumberjack.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

A museum dedicated to the dead and the tools used to usher them into the afterlife.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

The world's oldest operating jazz club has been in operation since May 1934.

This feline raises a friendly paw at drivers barreling toward the freeway.

This empty Detroit high school was too expensive to maintain or destroy.