The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

Crumbling necropolis set high above Fez.

One of the most spectacular canyons in the world.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

The world-record holder for the longest bridge stretching continuously over water.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The oldest known university in the world is in Fez, Morocco.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

A rare octagonal brick beacon on an isolated island in the Baltic.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

The rubbery beast is sculpted from recycled materials.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

The busy transport hub is home to the tallest airport slide in the world.

Watch butterflies take flight before you fly.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.