The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Jacksonville's highways rendered this century-old grammar school unusable.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

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

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

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Parking garage where Bob Woodward met Watergate source "Deep Throat."

At 207 feet, one of the world's longest continuous escalators.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

The national park was once a plantation estate.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

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

A secret greenspace hides atop a Capitol parking garage.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Entering this curiosity shop is like stepping into a mad scientist's lab.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.