A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

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

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

An exquisite Baroque church in Vienna's old town.

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

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

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

One of the best collections of wax anatomical models in the world.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The topiary maze at the Habsburg hunting lodge.

This former insane asylum now holds a pathological anatomy museum.

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

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

The beautiful baroque library of the Hapsburg empire.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

A modern-day Lascaux cave underneath Paris.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This Parisian café sticks almost exclusively to an ethos of reuse.

A unrivaled and rather horrifying collection of wax dermatological models.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.