Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.

A lush indoor jungle fills this bustling Madrid transportation hub.

A charming beach town in Turkey captures all the colors of the rainbow.

Roman ruins, natural methane fires and a lovely beach.

Ottoman-era houses lovingly preserved.

1513 Turkish world map, full of European state secrets and snarky commentary.

Flames have been burning within this mountain for more than 2,500 years.

This famous city eluded concrete detection until the early 2000's.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Roman ruins top white travertine terraces formed by ancient hot springs.

A Turkish ghost town abandoned in a population exchange with Greece.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

Have tea in a cemetery with a dazzling view of Istanbul.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

Ancient serpentine sacrifice holder that has stood the test of time.