These locks on North America’s oldest canal are named after a porcine rock formation.

Possibly the world's largest coin stands just outside of a Canadian science center.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

A collection of pianos and more guaranteed to delight anyone interested in music history.

See the sky in a new way through this art installation.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

Giant origami crease patterns engraved in Santa Monica intersections may even be visible from space.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

The U.S. Fish Commission’s effort to mass produce carp.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

A portal into the bricked up canal that runs through the heart of Washington D.C.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The national park was once a plantation estate.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

A motel dedicated to Southwestern nostalgia.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Where the rich wintered in Pasadena.