This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

This beautifully deceptive waterfall is something far different from what it appears to be.

The only castle in North America to ever house European sovereigns.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

The stoutest tree in the world.

Singapore's oldest Hindu temple.

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

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

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

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

The quintessential Japanese rock garden has existed for more than 500 years.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The 10,000 Torii shrine.

This 700-year-old street food market features baby octopus and soy donuts.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

An ancient fortification lives on in this Chinese city.