This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

One of the Treasury Building's original columns now sits as a garden monument in the middle of a busy military base.

A piece of the Ludendorff Bridge, also known as Remagan Bridge, calls this military base home.

The only remaining African American schoolhouse in northern Virginia is now a museum dedicated to formerly enslaved people.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

California's first suspension bridge.

The world's oldest railway bridge in continuous use.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

You must take the A train... to the last active cemetery in Manhattan.

An abandoned coal mine reached by a steep hike.

The remains of one of the last mining camps developed on the New River.

The isolated final resting place for perished coal miners.

America's post-nuclear-attack chambers of Congress.

The former home of the man whose radical ideas changed the nation.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

Where the writer penned his famous story about a jumping frog.

The largest cemetery for enslaved people in Loudoun County was almost lost to history, if not for the research of a minister.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

Enjoy classic musicals with a home-cooked meal at this former staple of American social life.