The site of a tragic massacre that spawned a multimedia franchise.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The site of Paul Revere's historic two lantern warning.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Mysterious meeting place for UFO hunters near Area 51.

Macabre astrological automaton clock dating to the late 1400s.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The largest known Ancient Egyptian obelisk.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Slum Settlement Filled With Mountains of Garbage.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Nikola Tesla's former home contains an homage hidden from plain sight.