After his presidency, George Washington planned to live only a few blocks from the Capitol building.

This groundbreaking 16th-century map is known as "America's birth certificate."

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

This small museum is home to cannons cast by Paul Revere and the last remaining uniform of Egyptian President Anwar Sadat.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

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

This statue intended for children to enjoy became a minor political spat.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

The world's largest piece of copyrighted artwork.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

A former major munitions plant that has been converted into a sprawling art space.

America's first federal monument.

This striking church was built from a Frank Lloyd Wright design more than a decade after the master architect's death.

This trippy wonderland is the result of one man's obsessive, decades long passion project.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

A dilapidated dock tells the story of Titanic’s missed arrival.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.