Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

The second-largest giant sequoia in the world.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

An abandoned Victorian house transformed into a museum and store filled with taxidermy and vintage goods.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

Measuring approximately 200 feet long, Swampy is the world's largest alligator-shaped building.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

Georgia’s last drive-in movie theater is a relic of a bygone era.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This historic Boston building has gone from personal estate to porn theater and back again.

Dim sum, served in a grand old theater.

An enormous, inside-out glass globe built in 1935.

This impressive Boston holy house is the American mecca for Christian scientists.

The site of Paul Revere's historic two lantern warning.