These ruins are all that remain of what a Spanish barrack that likely housed a quarry overseer, masons, and stone cutters involved in the construction of the Castillo de San Marco.

The graves in Florida's oldest Black cemeteries are marked with shells, stones, and mementos of the deceased.

This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

The final resting place of "Mother Kofi," a Black minister who was assassinated in the middle of a sermon.

This replica of a 16th-century French settlement memorializes one of the earliest attempts at a European settlement in North America.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

A spirited shopping experience.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

Museum preserving torture methods from the past.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

The site where nine miners were trapped underground for over 77 hours in 2002.

This museum is dedicated to the first coast-to-coast highway.

A piece of crumbling highway infrastructure was repurposed as a high-tech facility for testing racecars.

An abandoned stretch of highway, deteriorating next to the operational one.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

This one-room cabin where the young colonel slept during the French and Indian War.

One of the last few period-correct, hand-operated canal locks in the country.

How did a former First Lady's tiara wind up being sold to a pawn shop on reality TV?

The land is home to swimming ponies and a legendary 18th-century treasure.

The site of the worst mining disaster in Ohio's history.