This unreal Portuguese palace looks as though it's made from a pile of different castles.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

On Japan's Tashirojima Island, cats are king.

An eerie, derelict amusement park in Berlin.

An exquisite tunnel of cascading flowers.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

Two dozen pinball games hidden away inside a most unlikely location.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

The Decoy Capital of the World.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

Meet some of the most prominent figures in Black history through life-sized wax models.

A calm and comfortable place to hang out with cats and kittens up for adoption.

One of the only memorials dedicated to journalists who died in combat.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

There must be a pun in this haystack somewhere...