Press 1 for knock-knock jokes.

Concerned residents saved this historic house and garden from demolition.

An old pay phone rewired to play local bird calls and songs at the press of a button.

The house where Robert E. Lee planned the Battle of Antietam is said to be haunted by the ghost of a Civil War soldier.

This nondescript row house in downtown Washington, D.C., was the home of a very secretive group for well over a century

The hippo that stands on this university campus was once a drunken flea market purchase.

One of the last mosaic tile facades found in the city.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

The country’s largest collection of southwestern jewelry, along with contemporary Native American art.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

Sway your way across Virginia’s longest river on a rickety wooden bridge.

This tower was once used to create ammunition for early settlers.

An eight-sided home built during a brief octagon craze in the 1850s.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

A remarkable headstone said to be a gift from Daniel Boone.

One of the oldest Black communities in western North Carolina and one of the largest Black Mennonite congregations in the country.

This stunning home looks like it belongs in medieval Europe, not North Carolina.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

This metal disk commemorates the birth of a historic American holiday.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This colonial cabin is the oldest building in High Point, built by one of the first settlers in the area.

This North Carolina store preserves a historic moment in America's movement for racial equality.