Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Recorded as the first person buried in Arlington Cemetery.

The rogue roots are gradually consuming some of the historic marble grave markers.

A celebrity from the late Cretaceous period.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

At 207 feet, one of the world's longest continuous escalators.

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

This historic boathouse was constructed using salvaged lumber from burned barns.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This eye-catching sculpture of rural life seems a bit out of place at a suburban intersection in front of a car dealership.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Extraordinary objects lurk in this quintessential regional museum.

The oldest existing one-room brick schoolhouse in Loudoun County.

A glimpse into early 19th-century education.

The wild west is still alive and well at this authentic mining town watering hole.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

This giant temperature attraction created some giant electric bills.

A former utopian healing center created by a huckster and built by derelicts.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.