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

The local community brought back this land to transform it into a nature preserve.

One of the oldest standing structures in Montgomery County, Maryland.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

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

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

These five Art Deco homes were meant to solve the "small house problem."

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

Ship skeletons haunt Baltimore's waterways.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

This abandoned sea fort has become an accidental bird sanctuary.

Wedged between two sets of row houses is an awkwardly located family graveyard.

A museum dedicated to exhibiting remarkable outsider art.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

The trials and tribulations of marking Poe's grave.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

This free, take-a-book shop seems like a trick but isn't.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.