42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

The illuminated falls are a gem in North Cascades National Park.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

This riverside restaurant has been serving customers since 1146.

The world's first and only museum dedicated to dachshunds.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

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

Often mistaken as a medieval Gothic monument, this unique cornerstone only dates back to the 1980s.

Dedicated to a synagogue that was destroyed after having survived World War II.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Legends surround an ancient tree trunk riddled with nails for good luck.

Baroque celebration of the end of the Great Plague of Vienna.

These two 15th-century metal rods allowed people to check if they were swindled or not.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Dine amidst exotic plants at this former royal greenhouse.

An abandoned cable car station located on the Danube stands like a haunted house above the river.