Cape Breton landmark filled with recognizable faces.

Site of the first official transatlantic wireless communications.

A beautiful waterfall and beach where precious stones are plentiful.

A relic from a forgotten bakery chain still spins atop a diner.

Oldest building in California still in use.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A huge musical instrument played by the ocean.

A wonderfully curated used bookstore in an airport.

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

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

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

A former major munitions plant that has been converted into a sprawling art space.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.