The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

A bit of retro transportation flair preserved in the world's largest department store.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

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

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

This striking art museum holds an amazing series of curiosity cabinets.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

See massive fossils that are over 200 million years old in northeastern Arizona.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A modest reminder of treacherous waters at the Golden Gate.

A miniature view of the park, caught in time.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A winding path built in secret on the edge of the continent.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Historic funicular railway, believed to be the shortest railroad in the world.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

A line of blue paint marks the route of the inaugural parade.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.