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

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This mysterious marker puzzles pedestrians and infuriates geographers.

A mysterious statue of a leather jacket-clad rebel leans coolly on an odd yellow clock.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

Phil Mortillaro uses keys to bring art back to the Village.

A whimsical, but often overlooked clock in Park Avenue.

The famous author's cottage hideaway.

Plot your trip through the city on the sidewalk.

A living archive of urban activism and space reclaimed.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The loneliest island in New York.

Abandoned power station once home to a squatter community, now being developed into an arts center.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Sniff the Titan Arum's rotting flesh.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A hands-on traveling collection of the innovative devices of yesteryear.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

North America's largest accredited model railroad museum.

An inconspicuous footbridge beloved by San Diego locals.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.