Its diverse collection of computers and technology spans the ages.

An eerie, decaying ghost town destined to fade into the forest.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

Ship skeletons haunt Baltimore's waterways.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

The trials and tribulations of marking Poe's grave.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The oldest farmer's market in America is so ancient it was approved by the King of England.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

This iconic neon jester is a local landmark that you might recognize from his cameos in film and television.

These post boxes from a bygone era have been the source of controversy and debate.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

This Texas home and garden was the masterpiece of a British portrait painter.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.