The southernmost outpost of the Russian Empire in colonial America.

A former hardware store near Yerba Buena is the official home of California's history.

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

This residential door allows San Francisco muggles a glimpse at the wizarding world.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This comprehensive collection features Native American artifacts dating back centuries.

The remains of a boarding school designed to forcibly assimilate Native American children.

The ruins of this Alaska gold mine form a gorgeous ghost town.

The ghostly remains of what was once the world's richest copper mine.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

This historic building displays the remains of a victim of the devastating 14th-century plague.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This London plaque marks the spot where David Bowie's famous alien made his debut.

An artistic tribute to the famous singer, just around the corner from where he was born.

The folks at the Devil's Rope Museum want you to get hooked on barbed wire history.

This once-derelict building is now one of the most beautiful bookstores in the world.

The romantic botanic tunnel feels like a well-kept secret.