Memorial stone for GWAR vocalist, depicted in his iconic costume.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

A genuine Tudor manor transported piece by piece from England.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A haunting tribute to pioneering photographer Clover Adams.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The first dish to bounce radio signals off the Moon, it was the forerunner to the U.S. Space Program.

A piece of telecommunications history.

A unusual sanctuary for abused and exotic animals in South Jersey.

A mixture of strange symbols, ciphers, words and cryptograms carved in 1876 remain unsolved to this day.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

A parade of antique steeds offers a quirky ride through history.

Thousands of American timepieces on display in the former clock-making capital of the country.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

Designed as a place for patients to take in the scenery, this tower has a dark history.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.