The site of the deadly Triangle Shirtwaist Factory Fire.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Plot your trip through the city on the sidewalk.

Walk over a 150 year old manhole.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Try not to get slimed in Tribeca.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Macabre astrological automaton clock dating to the late 1400s.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

An enormous and lavish Gothic church in Czechia.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

An intricately carved Viking church overlooks a glistening fjord.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.