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

Historic bar where the Singapore Sling cocktail was invented.

Rainbow shutters decorate this former police station.

Singapore's oldest Hindu temple.

A dinosaur-laden walking trail outside Singapore's Changi Airport.

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

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."

An Indonesian mosque styled after St. Basil's Cathedral.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Subterranean place of worship in Indonesia.

This horror movie and monster shop is like if a haunted house was a retail store.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

This charming woodland trail is peppered with poetry.

A park that allows you to get up close and personal with one of the world's largest open volcanic craters.

This post-war motel embodies a little-known, Miami-born architectural style.

This Miami cemetery holds the remains of two Cuban presidents, a Nicaraguan president, and the senior Desi Arnaz. And it was once the resting place of the crown prince of Spain.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

The home of Joseph Stalin during the Potsdam conference.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.