Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

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

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

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

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

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

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

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

Op-art architecture designed for happiness.

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

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.

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

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

The beautiful baroque library of the Hapsburg empire.

The exorbitant price of paradise.

A monument dedicated in memory of the over 100,000 civilian deaths during the liberation of Manila in World War II.

The first religious structure on the island of Luzon and a survivor of World War II.

Known as Manila's "last lung," this park used to house a market, garrison, and various government buildings.

This historic Art Deco building embellished with local tropical fruits had fallen into disrepair before a recent restoration.

Dedicated to the three priests whose execution inspired author José Rizal.

Once a crime hotspot, this refurbished underpass is now home to a bookstore and a mural celebrating the history of Manila.

This iconic clock tower is the largest in the Philippines.

The cemetery was built for the Spanish colonial elite, but its most famous residents were all buried in unmarked graves.