Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Lie in a hammock where George Washington stood.

Avoid gangster interaction while window-shopping.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Plot your trip through the city on the sidewalk.

Tucked in the back of this amazing antique store is an important piece of medical history.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Little Red Lighthouse under the George Washington Bridge.

Rummage through this sunken ship, but leave your scuba gear at home.

Golden Gate Park's historic collection of plants.

Olfactory delights in San Francisco's Botanical Gardens.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

This former crime corner has been turned into an eclectic community center.

The competition: breathe deeply as long as you can.

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

Salute the leader of the proletariat.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Commemorating the spot where the famous scientist fed his pigeons.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles