A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

A haunting tribute to pioneering photographer Clover Adams.

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

Home to items never before seen by the public.

The trials and tribulations of marking Poe's grave.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

The first memorial dedicated solely to the Black troops who fought for the Union.

Also known as the Founding Church of Scientology.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

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

This impressive Boston holy house is the American mecca for Christian scientists.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This replica of the Greek structure is in the heart of Nashville.

One Confederate statue that accurately reflects the ugliness of its subject.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.