Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

One of the oldest standing structures in Montgomery County, Maryland.

FDR's Art Deco hospital tower was hopelessly inefficient.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

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

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

Look up from the busy streets to discover how time is kept!

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

An architectural oddity hides in plain sight on this iconic London bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Two plaques commemorate the site of Shakespeare's first theatre.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hear the quietest sound from across the dome.

The video game-themed street art first popped up in the French city.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A piece of outsider public art accompanied by a strange urban legend.

The world's oldest soul food restaurant is also one of its best.