A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

The former home of silent film star Harry Carry.

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

This church on a Tohono O'Odham reservation has stood since 1797.

Make a wish at what might be America's only Catholic shrine to a sinner.

This Asheville chair museum wants to revive a dying art.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

Legend says this rock was once a chopping block for public executions.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

Andrew Carnegie funded the building of almost 3,000 libraries across the world, this was the first.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

The final resting place of one of the most important figures in the world of tea.

Now home to a drinking establishment, this building has a macabre history.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

This figure of a local merchant is said to reanimate and do a dance during Hogmanay.

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.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.