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

New York City's smallest piece of private property.

The first piece of public art dedicated to LGBT rights.

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

The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

There must be a pun in this haystack somewhere...

The former hotel where Tesla invented the radio.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This “peasant café” in the middle of Tokyo re-creates the atmosphere of the Japanese countryside.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

The animals wander freely amid this gorgeous stretch of nature.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”