Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A Texas-sized secondhand bookstore features 54,000 square feet of books, music, and media.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

This artistic fountain display pays homage to this area's theatrical history.

One of the world's largest collections of pharmaceutical artifacts.

The most impressive of Basel's three remaining city gates.

A futuristic rocket marks the spot where three borders meet.

A whimsical bridge adorned with decorative dragons.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

A public work of art that also provides some relief from the summer heat.

A trash dump made beautiful by nature's power.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Commemorating the spot where the famous scientist fed his pigeons.

Plot your trip through the city on the sidewalk.

The remains of the first saint from Alaska in the Russian Orthodox Church.

Considered by many to be one of the most dangerous highways in Alaska.