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

Century-old shop, specializing in Occult products.

This beloved marketplace mascot poops money and grants good luck.

An Irish Memorial commemorating those who perished due to potato blight.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

In the early 1800s, surgery was also a show.

Yo, Adrian!

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

An architect's childhood fantasy treehouse made real.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

Ever wanted to can Spam?

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A 140-year-old castle with underground caves hidden in San Francisco.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

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

Most-visited and most-photographed slot canyon in the American Southwest.

On the Oregon coast there is a natural hole that seems to be draining the sea.