Related to Henry David Thoreau Plaque

Soldiers launching a balloon

1024 × 1000

Martin Luther King Jr. with guests

3317 × 2587

Protesters at the Lincoln Memorial

4048 × 2703

People working outdoors

3972 × 3129

Women's Strike for Equality

1844 × 1716

Union soldiers at camp

1400 × 1243

Collapsed bridge over river

1400 × 1481

River port with steamboats and wagons

2000 × 1750

Family portrait on porch steps

2600 × 2075

African American soldier in uniform

1500 × 1229

Men in a rowboat near a steamship

1800 × 1703

Sinking wooden structure on river

2000 × 2038

Ruins of a city after destruction

1000 × 1009

Slavery dealership in Richmond

1100 × 749

Martin Luther King Jr. quote

1600 × 1200

Military balloon preparation

1600 × 961

Protesters and police on the ground

1642 × 1525

Men in gas masks during a demonstration

3061 × 3721

Gettysburg Battlefield Tour Map

2100 × 1800

Gettysburg monument statue

2048 × 3072

Battle of Antietam battlefield map

2400 × 2760

Gettysburg National Park map

1838 × 1401

Women's suffrage march

4048 × 2713

Buda Castle at night

1680 × 1050