Inspired by the colossal pyramids at Giza, this 15-foot structure is believed to be the first funerary pyramid in Great Britain.

Thousands of graves lurk below the surface of this park.

Old Muslim cemetery and resting place of folkloric creatures

The final resting place of one of the United States's greatest poets.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

This site is believed to be connected to the oldest house in Arlington County.

This forgotten boat elevator was an engineering marvel in its heyday.

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

Remnants of a wall built to separate Black residents of Hall's Hill from a newly built subdivision are a grim reminder of segregation in 20th-century Virginia.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

The sole surviving building from Newgate village, a colonial settlement that was renamed Centreville in 1792 after it was granted town status by the Virginia Assembly.

This restored house built from a Sears kit in the 1930s is a physical remnant of FDR's New Deal following the Great Depression.

This massive swimming pool is the high tech home to the human-powered submarine races.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

A decaying garage hidden amid the dense forest is all that remains of a once-prosperous dairy farm.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.

The birthplace of the Herndon Gas Company.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

This former Cold War missile control site played an important role in the creation of GPS.

A whopping 14,000 copper coins cover this miniature fighter jet.