The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The romance of early commercial flight still fills this Art Deco destination.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The last of Fairfax County's one-room schoolhouses.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

Journey inside the bowels of this sperm whale sculpture.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The "Seinfeld" diner.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

Legend says this sacred tree was a gift from goddess Athena.

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

The hallucinogenic center of the ancient world.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Bizarre Cavern.

One of the only memorials dedicated to journalists who died in combat.

The whole world in one water tank.

Tiny observatory made big contributions to the study of the Earth's motion.

Built by the patriotic residents of Boonsboro in a single day.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

An overlooked memorial honoring the local Washington residents who died in World War I.