38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

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

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

Opulent downtown movie theater now houses cars as an indoor parking garage.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This sprawling bookstore spans four floors and has more than a million books in stock.

The scars of World War II are preserved on its walls.

The remnants of a fictional Viking village film set now serve as an educational and historical hotspot.

A graveyard and memorial chapel for victims of leprosy.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

The final resting place of one of Germany's most accomplished Renaissance men.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

This lurid German fountain plots the sad course of marriage from dating to death.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

A brush maker used his factory to protect blind Jews from the Gestapo.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.