A grotesque Fiji merman dwells within this traditional Dutch-style building.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

These lush botanical gardens employ the most purrfect pest control force.

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The romance of early commercial flight still fills this Art Deco destination.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The rogue roots are gradually consuming some of the historic marble grave markers.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

The narrowest house in America is seven feet of pure spite.

The skeletal white beams stand as a monument to religious dissent.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

The world's tallest statue of an American hero.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

The first and only carousel with a lineup entirely of insects.

This beloved marketplace mascot poops money and grants good luck.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.