The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

Alexander Hamilton’s creation caused quite a bit of controversy.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A layered tribute to the work of mosaicist Isaiah Zagar.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Once used as a deterrent to drinking alcohol.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The historic home still shows the scars from a little run-in with the British in 1813.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

In 1986, Keith Haring was arrested for painting this anti-drug mural on a Harlem handball court.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

The greatest real estate coup of all time.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

The most confusing clock in New York.