An interim housing alternative to FEMA trailers that is designed for densely populated areas during recovery and rebuilding following a natural disaster.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

The legendary court where emerging basketball players gain their street cred.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

New York City's smallest piece of private property.

A reminder to choose water over wine since 1888.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

One of the last Jazz Age "Wonder Theaters" in New York City.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Internet rumors, often involving Icelandic singer Björk, have abounded regarding this isolated outcrop of rock.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

Along this wire fence, travelers have been leaving a particular memento since 2012.

Three columns of volcanic rock shoot out of the ocean.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This black church sits alone among a field of lava rock.