A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

One of few surviving standpipe water towers in the U.S.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.

The steepest classic funicular in the world glides along a dizzying incline.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

The United States Capitol's former columns still stand.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Things aren't quite what they seem at this mind-bending museum.

A very big rock just plopped down in the New England woods.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

Romans built the world's tallest artificial waterfall in 271 BC.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Boats must transform into railroad cars to navigate this Polish canal.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

This Communist-era residential block is one of the longest residential building in Europe.

This antique thermometer honors the creator of the first universal temperature scale.

A huge wooden clock that is so beautiful its creator was forcibly blinded.