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

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

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

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

She stares out across six lanes of traffic, clutching a musket and infant with determination.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

The location where the famed author and abolitionist began his journey to freedom.

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

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

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

An astounding collection of medical specimens, including bits of President Lincoln.

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

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

One of the largest collections of Catalan literature and cultural materials outside of Spain, created by a community of 1960s expats.

A giant steel sculpture with animals in its shadows.

A Seussian sculpture made of brass instruments.

A bar, burger joint, and arcade housed in a late 19th-century church building.

Explore the evolution of printing technology, from cuneiform to Kindle.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

A beautiful final resting place with some surprising residents.