An eponymous directional signpost erected by the first president of the United States.

Conveniently located within binocular range of a nuclear bunker, the "summer camp" area was a painfully obvious spy house.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

A mountaintop space observatory that is certified dark.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

America's post-nuclear-attack chambers of Congress.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The oldest military monument in the United States.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The first marker along the famous boundary.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

The resting place of a Civil War celebrity's amputated limb.

Get up close and personal at this Fresnel Lens.

One of the world's largest murals covers a large swath of homes in its hillside neighborhood.

The English graveyard of Mineral del Monte, a magical little piece of Cornwall in Mexico.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

A fairy garden in an old hotel hidden in La Marquesa forest.

66,000 pieces of art, donated by one of the world's richest men.

A small pack of an ancient, hairless breed of dog once believed to guide souls through the underworld lives on its grounds.

Mexico's first public cable car soars over the congested streets outside Mexico City.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

A grand entrance to one of the world's smallest Chinatowns.

This industrial Art Nouveau gem is a historic hotspot for Mexican counterculture.