Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Rediscovered underground chapel is one of the best examples of Gothic architecture in Vienna.

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

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

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

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

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

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Apartment complexes built into huge repurposed natural gas tanks.

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

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Baroque celebration of the end of the Great Plague of Vienna.

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

A spherical "micro-nation" in the heart of Vienna.

Dine amidst exotic plants at this former royal greenhouse.

Macabre museum devoted to historical Viennese murders.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The beautiful baroque library of the Hapsburg empire.

Legend has it that Bishop Oliver King dreamed of angels ascending to heaven and ordered the church's reconstruction in the late 1400s

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath