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

Where else would a linchpin of post-colonial Native American cuisine anchor the menu but a museum?

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

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A ghost town at the airport is now a refuge for blue butterflies.

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

A popular European tradition makes its way to the states on one of America's most famous bridges.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The oldest continuously operating fish market in the United States.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

California's most comprehensive horticultural library.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

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

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

Hundreds of bras, blowing in the wind.