These unusual rooms on wheels are holdovers from the 1960s.

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

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This apartment is a true time capsule of local life in Bulgaria during the Soviet regime.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

Nelson Mandela lived here with his family from 1946 until his arrest in 1962.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

California's own majestic geyser is powered by a subterranean volcano.

The fossilized remains of ancient California redwoods.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

One woman's Viking Castle on Lake Tahoe.

Home of the only civilian casualty at the Battle of Gettysburg.

Fake rail crossings mark the site of an influential doctor's demise.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Brace yourself for the slowest, scariest, most spectacular drive, down the Drakensberg Escarpment.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

This municipal playground was co-created by the father of one of the most playful characters ever.

One of the most elaborate displays of Jellyfish is on display at the aquarium.