A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Where royalty waits in the height of luxury.

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

The freshest fish here are the ones you catch yourself.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

The tallest city hall in the world offers an excellent bento box.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Tracking the 1,500-year history of Korea's star cabbage.

A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A kaleidoscopic warehouse-maze of handmade neon signs.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

This small electronics museum is full of whirring, humming, clicking ephemera.