The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

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

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

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

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The world's largest frame offers spectacular views of the city's past and present.

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

This indoor ski resort has a mountain contained inside a mall.

A unique configuration of blown glass can be found inside this hotel lobby.

Feed it cash, get your very own gold bar.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

This church is named for one of the most dramatic tales in the early Christian church.

A centuries-old forgotten underworld lies beneath Malta.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

There is only one place in the world where the corners of four nations come together.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'