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

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

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A hidden alley in urban Baltimore is a haven for graffiti artists.

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

More tin toys than you can shake a clapping monkey at.

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

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A living archive of urban activism and space reclaimed.

Railroad came. People came. Railroad left. Town died.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

An Aztec snake god has taken the material form of an apartment complex.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Detailed facade of a brownstone in Boerum Hill.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

A unique sculpture park that specializes in the huge and bizarre.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.