Elevated freight railway turned wildly successful urban park.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Once America's tallest structure, now a Baltimore landmark.

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

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

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

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A Korean village where times stands still.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

The house where the writer spent his formative years.

A stunning Victorian abbey and walled garden on a lakefront.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

A particularly disconcerting tribute to Irish martyrs.

The modern birthplace of Irish freedom.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.