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

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

At 207 feet, one of the world's longest continuous escalators.

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

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Outsider art meets paleontology at this roadside reptile repository.

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

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

The second oldest continuously operating bar in Louisiana.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

Dedicated to the armor and weapons used by the legendary Japanese warriors.

Not quite the menace it once was, this monster still has some chops.

A daily replay of the experiment that proved the rotation of the Earth.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

Try not to get slimed in Tribeca.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

The 28,000-year-old specimen is remarkably intact.

It was once the base for a series of domestic terror attacks.