Buttermilk biscuits so nice, you'll say “yay” twice.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

A 70-foot replica of the famed Eiffel Tower.

A natural sandstone bridge hidden in the Sewanee forest.

For decades these polar bears have roamed all around a Nashville neighborhood.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This defunct, fortress-like prison has been the setting for several movies.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

When it comes to handsignals (and colonialism) rock always beats scissors.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

Before Nixon, "watergate" meant canals.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

A building shaped like the Army Corps of Engineers logo, because why not?

There’s a special club house at the top for the bell ringers.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

A much-maligned monument to teetotalism.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

Go take a picture with the inventor of the daguerreotype photographic process.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.