An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

One of the most historical literary characters continues to stroll his hometown.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

The Vatican of the movie industry turned into an actual church.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A hidden architectural treasure in New York's Brooklyn.

This was one of the first (and last) university-built and operated nuclear reactors.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Commemorating the spot where the famous scientist fed his pigeons.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Come for the pastrami, stay for the million-dollar art.

One of only two remaining Victorian-era greenhouses in New York.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.