A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This vibrant side road in Doha was painted light blue to reduce heat.

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

One of the tallest buildings in Africa provides a great view of Johannesburg's unique geography.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

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

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The ancient abodes are a testament to human ingenuity amid harsh climates.

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

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

A Turkish monastery tucked into a cliff wall.

Step back in time and witness the fall of Constantinople.

The best-preserved ancient theater in the world.

Roman ruins, natural methane fires and a lovely beach.

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.

The ornate miniature mansions were built for Istanbul's feathered residents.

A marvel of Byzantine engineering under the streets of Istanbul.

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

Uganda's smallest savannah park is home to over 350 species of birds and mammals.