Every drop of D.C. tap water flows through this old waterworks.

These abandoned waterworks are crumbling into the Potomac River.

The span is crooked and made from two older recycled bridges.

Home to a vast and influential collection of Shakespeareana.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

A celebrity from the late Cretaceous period.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

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

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

Offering an enjoyable alternative to the standard hellacious post office trip.

Where else would a linchpin of post-colonial Native American cuisine anchor the menu but a museum?

Always a new use for this old building.

An eclectic restaurant serving from and to the nearby Chittenden Locks.

This offbeat trailer park is home to vintage peddlers, local artists, indie makers, and more.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

This edible park is open to any and all foragers.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The first park built over a freeway is a brutalist masterwork.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.