Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

The most decorated dog of World War I is preserved in the Smithsonian.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

Perhaps the most scandalous statue of America's first president.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

An ancient octagonal weather station named for the eight Greek gods of wind.

This Chinese-style quartz sundial was saved in its final hour.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Where the U.S. government kept its actual treasure, before Fort Knox.

This beehive tomb built for royalty sat hidden for over 3,000 years.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

Built by the Ancient Greeks, this chariot bridge is still in use today.