The national park was once a plantation estate.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

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

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

This lovely pocket park is one of the most under appreciated in D.C.

Mining caused an asbestos emergency in this small town.

The only road through the heart of Glacier National Park.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

A museum dedicated to exhibiting remarkable outsider art.

World-famous, Pink's still manages to keep its prized cult fetish status.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Two thirds of this Montreal neon icon has survived to flash another day.

A historic Montreal market that was the city's agricultural hub for over century.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.