A German apartment building hosting as many trees as human occupants.

The zoological collection at the Hessisches Landesmuseum hosts some of the world's oldest habitat dioramas.

A Singapore shrine to an unnamed German girl who has become a local deity.

A magically clear, blue river that seems to spring from nowhere.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

This peculiar lake of pitch is so thick and viscous that one can walk on its surface.

Just off the road outside Baguio, a gigantic lion's head carved into a mountain greets those driving by.

A three-tiered waterfall plummets from a mountain cave with amazing views over the countryside.

A celebration of Colombia’s premier contemporary artist.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

This colonial town in Colombia sits around the largest stone paved square in South America.

Colombia's first concrete structure doubles as a replica of Versaille's Petit Trianon Belvedere and a symbol for development.

Erected in 1803, it is the first astronomical observatory that was built in the Americas.

This tiny shop has been serving traditional tamales for more than 200 years.

The world's first crowdfunded skyscraper has not gone quite to plan.

A park with one large cat sculpture and 15 smaller ones, all painted by different Colombian artists.

This city park wants you to take your shoes off.

The 17th-century hacienda where Simón Bolívar spent his last days before dying from tuberculosis.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

The colonial city's social history is reflected in its fanciful door knockers.