Raise your hand if you knew its benefactor was being investigated for tax evasion when he proposed the $10 million gallery.

The garden used to be located on the grounds just in front of the U.S. Capitol, some of its plants were confiscated at the border, and other fun facts.

The Declaration of Independence and the Constitution both used to be housed here.

Did you know its subway system has been around for more than 100 years?

The local community association boasts that it is “Washington D.C.’s best-kept secret.”

You’d expect a cemetery to brim with history, and it doesn’t disappoint.

Bet you didn’t know Union Station’s ceiling is covered in over 120,000 sheets of gold leaf. Here are nine other facts you didn’t know about Union Station.

Such as …. members of Congress park for free (!) and lay claim to a reserved parking lot.

Protests against development, banking scams, and other things you didn’t know about this neighborhood located on the divide of Maryland and D.C.

It was founded by a teetotaler! It has the oldest neighborhood library in the city!