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

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

This work of engineering is imbued with elegance and ingeniousness.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The first railway tunnel to cross the Continental Divide and, at 11,523 feet, was once the highest railroad tunnel in the world.

A rare memento of a lost Indigenous group.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.

France's most famous cemetery, with some of its most curious tombs.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This ambitious attraction was the brain child of a lake resort impresario, and built by the WPA.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

Mary Rowlandson's kidnapping ordeal became one of the nation's first best-selling books.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

A large measuring stick marks the lowest point of a country that is partially under sea level.

This mountain trail inspired Nietzsche to complete his magnum opus.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

This small red school was where Germany signed their surrender during WWII.