Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A reminder to choose water over wine since 1888.

Have a steam and some blini at this cafe in a century-old bathhouse.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Try not to get slimed in Tribeca.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Avoid gangster interaction while window-shopping.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

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

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

A crumbling World War I fort that is reached through a series of concrete tunnels.

This Slovenian museum houses the country's largest collection of painted beehive panels.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.