Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

These pretty kitties killed and ate as many as 135 railway workers.

Beautiful steampunk ghosts of early Massachusetts.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The national park was once a plantation estate.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Boise State's stadium was the first non-green football field in the world.

Less a museum than a bizarre fantasy world created by artists and engineers.

A tiny memorial for the year the Connecticut River almost destroyed New England.

The headquarters of the famous Yale society.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Home of Philip Johnson, one of the 20th century's most influential architects.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

There aren't too many operational funiculars around, but Pittsburgh has two!