Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

A much-maligned monument to teetotalism.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The United States Capitol's former columns still stand.

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

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

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

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

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

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

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

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

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

There’s a hidden military meme engraved on the World War II Memorial.

Go take a picture with the inventor of the daguerreotype photographic process.

Built by the patriotic residents of Boonsboro in a single day.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

One of the only memorials dedicated to journalists who died in combat.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."