Macabre astrological automaton clock dating to the late 1400s.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

The first singer to cut a country music record is buried in a small graveyard in Atlanta, Georgia.

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

A colorful square marks the heart of the city's LGBTQ community.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Scattered around Atlanta are little doors with big charm.

An underground magnet for ever-changing street art.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

This massive airship factory is so large that it has its own indoor weather.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

An abandoned asylum incorporated into a college campus.