Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

Home to the deepest rift anywhere on Earth.

This U.S. natural reserve is an ancient spiritual place and rock climber’s paradise.

The largest outdoor art gallery in the Northwest United States.

An Egyptian-revival style film house in Boise, Idaho.

Location of the deadliest plane crash in Michigan history

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

During World War II, over 13,000 people of Japanese ancestry were forcibly removed from their homes and incarcerated in this camp in the Idaho desert.

A decaying building marks the site associated with Emmett Till's brutal 1955 murder, which helped sparking the civil rights movement.

This ranch house in Jackson's Elraine neighborhood was home to the civil rights icons and the site of a shocking assassination.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A 17-foot-tall cutout of the Texas-born actor stands alongside the highway.

The first capital of Texas was actually in modern-day Louisiana.

This strange, small castle on the bayou has withstood the test of time and weather.

Believed to be the oldest active college baseball field in America.

This coastal port saw one of the most significant battles of the Civil War.

This small hut in the middle of a parking lot was once the wooded sanctuary of the 'Hermit of Montrose.'

This huge clock made of flowers and simple machinery was once used a political weapon.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

The 34th governor of Kentucky was sworn into office while on his deathbed after being shot outside the State House.

Island where motor vehicles are banned -- home to the only carless highway in the United States.