The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

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

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

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

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Resonating tubes make music from highway overpass.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Over 50 whirling pools left behind from the glacial age.

The most photographed house in Maine looks good enough to eat.

As state high-points-by-elevation go this spot is one of the lowest, but for years it was also the hardest to climb.

The oldest still-operating tavern in the United States was once owned by a pirate.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.