A non-stop elevator ride in Vienna's city hall.

These relics of the city's past now exist as a prominent modern feature.

An exquisite Baroque church in Vienna's old town.

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

A silly medieval mural preserved on the side of a Viennese house.

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

Legends surround an ancient tree trunk riddled with nails for good luck.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

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

A monument dedicated to a lone, brave invader.

Designed as a reminder of one of the darkest moments in Austrian history.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A set of outdoor stairs named in honor of a famous Austrian artist.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Visiting this café is like visiting the Austrian grandma you wish you had.

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

An eerie, derelict amusement park in Berlin.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.