This private residence was the template for one of the most beloved television homes of all time.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

An overlooked and unassuming engineering marvel.

The restored and active Victorian-era final resting place of San Francisco.

Avoid gangster interaction while window-shopping.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Largest Roman Catholic church in North America.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The only museum with its curator—and her pets—buried inside.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The most confusing clock in New York.

An artist's cute bronze subway sculptures belie his violent artistic past.

Lie in a hammock where George Washington stood.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A very classy 1920s-era bar right in Grand Central Station.