This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This impressive Boston holy house is the American mecca for Christian scientists.

One of the indelible moments of the American Revolution took place at this location.

The massive machine creates cracking displays of indoor lightning.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

No one messes with the Massachusetts sacred cod, not this time...

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

A mysterious stone embedded at the base of a historic Boston building.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The most playful of the life-sized statues that make up Singapore's "People of the River."

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Narrowest house in Boston.