This operational mill has survived centuries of destruction and construction.

This crumbling 14th century chapel became so unstable the roofing apparently collapsed during a wedding ceremony, narrowly missing the curate's head.

Rock carving created 1,300 years ago 75 feet off the ground.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

Mysterious standing stone formations looks like a petrified forest.

Massive, unfinished broadcasting station stands as a monument to the fall of communism.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

The Grand Mall in Varna hosts one of the biggest collections of Soviet-era paraphernalia in Bulgaria.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

This museum is dedicated to the little known ancient Roman history of Vienna.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

The solemn exterior conceals an opulent interior of this 17th century church.

An exquisite Baroque church in Vienna's old town.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.