An idyllic mineral hot springs facility with a more-than checkered past.

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

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

A Nessie-like monster supposedly lurks in this lake.

From golden eagles to peregrine falcons, this rehabilitation and education center is a haven for birds of prey.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

A brass and marble scale model of the solar system embedded in the concrete.

Obscure Freemasons still live in D.C.’s largest private residence.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.