The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

America's only nuclear missile silo open to the public.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

A tiny monument to the classic American candy.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

No one messes with the Massachusetts sacred cod, not this time...

A whopping 14,000 copper coins cover this miniature fighter jet.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

Every drop of D.C. tap water flows through this old waterworks.

Hundreds of antiquated typewriters and office machinery show the technological evolution of business.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The span is crooked and made from two older recycled bridges.

This one-room cabin where the young colonel slept during the French and Indian War.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.