This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

These sculptures were created by a 17th-century artist who had never seen an elephant.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

When it comes to handsignals (and colonialism) rock always beats scissors.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

The house where John Wilkes Booth conspired with his co-conspirators.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

These unusual rooms on wheels are holdovers from the 1960s.

This pun was simply waiting to come to life, and one defense contractor made it so.

An eponymous directional signpost erected by the first president of the United States.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.