In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The national park was once a plantation estate.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.