The resting place of a Civil War celebrity's amputated limb.

The largest ancient burial mound in Ohio.

The final resting place of the most famous sharpshooter.

The miraculous hydrant that saved the Mission District in 1906.

Home with Gothic windows featured in a famous painting.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

Unrepaired walls from a 1920 anarchist bomb attack.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

The site of one of history's most indelible and horrific tragedies.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Dig for your own trilobites in this goldmine of invertebrates.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A picture-perfect town, perfect for blowing up.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

This remote camping site offers incredible stargazing opportunities.