A museum dedicated to exhibiting remarkable outsider art.

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

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

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

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

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Built in 1945, this historic train station has a new lease on life with its baggage area serving as an event space.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

Concerned residents saved this historic house and garden from demolition.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.