A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Walk through the history of American pop culture.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The most magical part of this Latin American and Caribbean art museum is a room covered in beautiful blue tiles from floor to ceiling.

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.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

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

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Inside this museum, the history of the Walt Disney Family empire is on full display.

This private residence was the template for one of the most beloved television homes of all time.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Yo, Adrian!

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.