This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A downtown park built on top of unclaimed graves.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

A massive sustainable farm designed by the mastermind behind Central Park.

One person's lost luggage is another person's treasure.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

A historic arena where the Beatles played their first concert in the U.S.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Over 315,000 preserved amphibians and reptiles in jars.

Tiki luxury on Nob Hill.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

An essential stop before plundering, BYO Cutlass.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.