This once-booming Gold Rush town is now home to a herd of feral donkeys.

The massive mountain ash that once stood at this site was cut down in an effort to prove that it was, indeed, the tallest of its kind.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

The first keystone arch railroad bridges constructed in America.

Visit a sweet shop selling one of the first candies ever made and sold in America.

Historic seaside park featuring explorable, abandoned military structures.

The site of the Andover Witch Hunts, which ended with more witch accusations and arrests than Salem.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

This historic Massachusetts tavern played a critical role in the start of the American Revolution.

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.

Explore the odd assortment of items that have washed up on the beaches of Plum Island.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

These hooded graves are the only of their kind in the United States.

Some of the oldest exposed rock formations in the United States.

The location where the American Revolution ended.

A well-preserved example of an early industrial operation in the northeastern United States.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

A few times a day, you can see an animatronic cowboy shoot-out.

Small caves once used as a hiding place for some of those accused during the Salem Witch Trials.

Underneath this water pump, Annie Sullivan helped Keller speak her first words.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.