The largest and most well-preserved petroglyph site in the Verde Valley.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This comprehensive collection features Native American artifacts dating back centuries.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

Legends surround this jagged rock formation in the New Mexico desert.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Taos Pueblo recipes, foraged ingredients, and outdoor ovens define the menu at this eatery.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The site of Paul Revere's historic two lantern warning.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This New England drive-in was built to straddle the border between two states.

Sip a cappuccino in the historic cafe that introduced them to the United States.

An enormous, inside-out glass globe built in 1935.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

This ruined castle is said to be the legendary keep of a Viking princess.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.