Dedicated to one of the darkest moments in Irish history.

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

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

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A museum dedicated exclusively to the lore and history of ouija boards.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

A historic fort commemorating the United States' naval history.

Raised illegally, Reggie now lives at the Los Angeles Zoo after authorities spent years tracking him down.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The final resting place of a space program monolith.

A ghost town at the airport is now a refuge for blue butterflies.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

America's most famous piece of self-built architecture.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.