Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Two stone columns flank the grand Venice square, but there were supposed to be three.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Go inside to really appreciate this 500-year-old technological masterpiece.

This medieval castle was reconstructed by Carlo Scarpa.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Drink wine handed out through a window as part of an age-old tradition.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

This otherworldly church spire reaches up toward the heavens.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

The location where the iconic movie character declared it was time to go home.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.