The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

A reminder to choose water over wine since 1888.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

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

The first piece of public art dedicated to LGBT rights.

Salute the leader of the proletariat.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

The former hotel where Tesla invented the radio.

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Walk in the footsteps of the famed astronaut at Purdue University.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Ornate limestone building now filled with geologic specimens, and more.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.

The world's largest anatomically accurate brain sculpture.

A rare cliffside vantage point of Lake Michigan with an explosive history.

A statue of Charlemagne, created in the 1400s, once overlooked the city, and is now located in a crypt.

This 1863 adobe building is home to one of the oldest operating saloons in the Southwest.

The company moved out of its sprawling headquarters, leaving plenty of traces behind.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.