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

Brain collection and database that narrows the gap between man and animal.

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

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

This suburban house is made of dirt, and almost sparked a revolution in home construction.

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

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

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

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

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

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

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

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.