Founded in 670, this ancient mosque is an architectural time portal.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

An ancient burial ground believed to have been used for ritual sacrifice.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

The best-preserved Roman small town in North Africa.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Rainbow shutters decorate this former police station.

Singapore's oldest Hindu temple.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Singapore's landscaping project is home to 18 incredible Supertrees.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

Where once there was a train station bathroom, there is now this German burger joint.

This small train ride offers stellar views of the Grand Garden Palace.

A famous big wave from Japan serves as a tribute to the victims of the disastrous Elbe flood.

The “Coin Cabinet of Dresden” houses a collection of over 300,000 numismatic artifacts, one of the largest of its kind in Europe.

This elephant kraal is the only one remaining in Thailand, dating back to the 16th century when these massive mammals were integral players in war and trade.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

This statue took 60 years to complete.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.