Arlington Cemetery exhibit dedicated to death and grieving.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

Time travel with sweets across history at this research-based candy store.

A Civil War Museum with some notable medical antiques.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

A beautiful oddities shop crammed with strange and morbid curiosities.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

The little-known final resting place of one of America's greatest writers.

The final resting place of Harriet Tubman and other famous historical figures.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

A room hidden behind a swinging shelf in the children's section.

A beautiful final resting place with some surprising residents.

This New York estate was designed to resemble a medieval Scottish castle.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

The first and only American institution dedicated to the enduring value of comedy in the United States.