The first piece of public art dedicated to LGBT rights.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The first and only carousel with a lineup entirely of insects.

Detailed facade of a brownstone in Boerum Hill.

A living archive of urban activism and space reclaimed.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

This Old Testament garden features 100 plants from biblical times.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This extraordinary geological oddity resembles human-made pavement.

The only pollutant in the clear blue water is sunscreen.

Occult books, tarot, oddities.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This pebble beach is so beautiful that taking its rocks is against the law.

This abandoned amusement park was built on a site with a dark history.

A sliver of nostalgia in Seattle's Viretta Park.