This church houses the “incorrupt” body of its founding Bishop.

The alley connecting two of country music’s most historic venues has a rich history of its own.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

One Confederate statue that accurately reflects the ugliness of its subject.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

This classic restaurant features a gorgeous mirror-clad room.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Tiny memorials honor individual victims of the Holocaust.

A restaurant and observation deck built in a unique broadcasting antenna.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

The prototype for all Nazi concentration camps.

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