The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

World's largest collection of serial killer artwork and other macabre exhibits.

The oldest housing complex in Riga is a mini timeline of architectural trends.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

Fast food feels like fine dining at this award-winning modern Georgian building.

You'll find just about anything in this funky Tbilisi flea market.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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.

This beloved marketplace mascot poops money and grants good luck.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

The United States Capitol's former columns still stand.