Nothing says indulgence like a 1,500-pound chocolate castle.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

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 clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

This secluded walking trail is a hidden gem of a Pittsburgh park.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The oldest continually operating golf course in the United States.

Where the "World Pinball Champion” is crowned.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

A larger than life statue of a steelworker keeps watch over a closed steel mill.

Housing the history of a small Ohio town that is known to some as the pottery capital of the United States.

A storybook church made from a mesmerizing medley of multi-colored stones.

This public space is speckled with the eerie remnants of a defunct amusement park.

Antiques and recycled art surround this cabin designed to resemble a 19th-century schoolhouse.

In the Mound Hill Cemetery resides the final resting place of the world's tallest couple.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

A moving tribute to a leader of the American abolitionist movement.

The childhood home of a Hollywood legend.