Through the decades, Black music stars have performed at this historic hub for music and the arts.

A secret greenspace hides atop a Capitol parking garage.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

This historic boathouse was constructed using salvaged lumber from burned barns.

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

The former home of elite checkers battles of the Capital Pool Checkers Club.

The first museum in the U.S. to address human rights issues in China.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This grand gothic brewery has been pumping out suds for over a hundred years.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A bit of retro transportation flair preserved in the world's largest department store.

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

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.