This water tower commemorates the invention of the transistor on this site in 1947.

This statue of two men in a rowboat was erected to honor those who died while fishing in the Chesapeake Bay.

The highest point in Virginia can only be reached by passing through ponies and flowers.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Every week, a festive public jam session breaks out in downtown Asheville.

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 lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

A former major munitions plant that has been converted into a sprawling art space.

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

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

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

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

This park contains a number of standing stones meant to heal and inspire.

This peaceful gem in upstate New York was chosen as the future home of the 14th Dalai Lama's Library and Museum.

Pluto is still considered a planet in Ithaca, New York.

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

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

This unassuming passageway played a key role in one of the most important events in U.S. history.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

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

An overlooked memorial honoring the local Washington residents who died in World War I.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.