They founded the game company that made Clue, Monopoly, Risk, Trivial Pursuit, and Sorry!

This candy-colored storybook village originated as a 19th-century Methodist campground.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

A blast from the past in central San Diego.

Once disputed as the largest sundial in the world.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

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

An overlooked memorial honoring the local Washington residents who died in World War I.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The bronze uniforms commemorate the vital role of women during World War II.

An archway adorned with vulnerable flora and fauna.

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

Lucha Libre (Mexican Wrestling) themed taco shop.

A collection of full-size movie monsters opened to the public.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Two small markers remember the Alamo's feline protectors.

This striking statue brings a scene from the African savannah into central London.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

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

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

What once sat in the world’s spotlight is today a largely disused ghost complex.