I-95's Tijuana-style celebration of kitsch at the Carolina border.

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

The site of the climactic scene from the classic horror film is now a historic landmark.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

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

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A nostalgic bibliographic gem.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

Northern Virginia’s iconic Vietnamese shopping center.

These unusual rooms on wheels are holdovers from the 1960s.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.