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.

A very classy 1920s-era bar right in Grand Central Station.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

Finally, you don't have to be a pious Swedish seaman to relax like one.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This monster board rode a monster wave to break two world records.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

Try the frozen treat that inspired Arrested Development's famous banana stand.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

This historic boathouse was constructed using salvaged lumber from burned barns.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The site of the climactic scene from the classic horror film is now a historic landmark.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

At 207 feet, one of the world's longest continuous escalators.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The national park was once a plantation estate.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.