This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

The Boston square dedicated to the dark poet who was born nearby.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

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

A lush green oasis in the middle of Chicago.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."