The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

Paths are maintained, but trees have taken over plots.

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

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The former headquarters of a leader in the Mexican Revolution, and the site of an often-reproduced image.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

The final resting place of the great navigator, or maybe his brother.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Its columns were all carved from the same white oak tree.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Soaring over the Niagara Whirlpool since 1916.

A surprisingly large number of show waterski teams are located here in Wisconsin.

Largest outdoor staircase in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

"A hideous albatross in the Hudson River Valley."

The oldest continuously inhabited street in America.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.