Hear the quietest sound from across the dome.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A contemporary fresco movement illustrates the region's rich history.

A massive Montreal stadium that has seen nothing but trouble since its inception.

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

Crumbling ruins mark the site of a couple's grisly murder in the woods.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

This massive oak tree has ties to the first native tribes of the region and the founders of Texas.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

The world's tallest statue of an American hero.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

255 feet of suds, scrubbers, and blow dryers.

Look closely and you’ll notice that the color changes a third of the way up the tower.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.