The first American axe throwing club.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Huge masonic hall in Philadelphia with lavishly themed rooms.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This curiosity shop contains a museum filled with bizarre, unique objects.

A reproduction of earth's many biomes.

A natural history wunderkammer in the middle of the desert.

A geological mystery on Camelback Mountain.

A museum showcasing the history of sugarcane with a rich history.

This statue pays homage to a group of kids's childhood companion who once called the park home.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

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

A museum dedicated exclusively to the lore and history of ouija boards.

This beloved marketplace mascot poops money and grants good luck.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!