A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The only recreation of William Shakespeare's indoor playhouse.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Dr Barnes' $25 billion private collection of art and arboretum.

The abandoned coal loading dock is a canvas for unsanctioned art.

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

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

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

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

The oldest surviving botanic garden in the United States.

Yo, Adrian!

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

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

One of only two commuter aerial tramways in the United States.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A rare view of a preserved Victorian science museum.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A layered tribute to the work of mosaicist Isaiah Zagar.