The prototype for all Nazi concentration camps.

One man's personal kunstkammer, museum and shop.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A small square plaque marks a failed assassination attempt that could have changed history.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A Nesting Doll of Churches.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

The final resting place of the poets Shelley and Keats.

Architectural monsters are devouring this palace's every door and window.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Native Americans built this circle of stones, which was used to predict astronomical events.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

A heavenly experience, right here on Terra Firma.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A beautiful 62-acre Catholic shrine and botanical garden.

An emporium for the weird, creepy, rare, and just plain gross.

The seamy, underground secrets of Portland's criminal past.

The magic's in the hole!