Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

The first museum in the United States dedicated entirely to posters.

An artist's cute bronze subway sculptures belie his violent artistic past.

Ride the subways of yesteryear.

A century-old magnolia tree is the only living landmark tree in New York City.

Step inside Lucy, the world's largest "elephant."

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

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

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

This secluded ruin was once a home for exotic plants.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Thousands of bottles that have held everything from poison to perfume make up the collection of this small museum.

Find your state fair food favorites all year long.

A giant open-air sculpture made of over 200 full-sized boats.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Narrow gorges and deep pools created by long-ago glaciers.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

One of Philadelphia's largest murals resides hidden under this bridge.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

This colorful gate stands as an entrance to the walled city of Old San Juan.

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