This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A church of bones, decorated with 40,000 human skeletons.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A whimsical bridge adorned with decorative dragons.

A small but immensely extravagant palace built by the "Night King."

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

The Habsburgs' royal collections of art and wonders.

Apartment complexes built into huge repurposed natural gas tanks.

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

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

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

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

The final resting place for the remains of 143 Habsburg royalty.

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

The beautiful baroque library of the Hapsburg empire.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.