It took 82 years and four different plaques to finally get the story right.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This stone complex marks the urban center of a lost civilization.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Through a gap in a chain link fence behind an auto shop is one of Arlington’s oldest family cemeteries.

It is a 50-foot tall sculpture made of a reclaimed wind turbine wing, concrete, steel, and coins from around the world, located off the Columbia Pike in Northern Virginia suburbia.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The former home of the army detachment that captured Geronimo.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This church on a Tohono O'Odham reservation has stood since 1797.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

The state bird of New Mexico, constructed entirely out of garbage.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

Remains of a massive World War II blimp base, now home to a railroad museum.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

This grave in a small cemetery marks of one of the first U.S. president’s protectors during the Revolutionary War.

This rudder is one of the few remnants of a shipyard that once operated on the banks of the Potomac River.

An Industrial Revolution-era public work that purified water using nothing but sand.

This sculpture brings optical illusion to the roadway.