Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Ruins of a historic medical facility sits eerily by the water.

New London, Connecticut still holds a grudge against its hometown son who turned traitor and burned the city.

Puerto Rico's once thriving oil company is now an abandoned wonderland of rusty steel.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

This small fort played a huge role defending Puerto Rico’s capital city.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

A snapshot of the city's fascinating voodoo culture.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

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

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

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

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

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