What looks like a normal building is really a hollow facade hiding a subway vent.

Yup, that's a 330-foot yacht passing over the highway.

A herd of colorfully painted bovine statues can be found in the middle of "cowtown."

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Memorial to the father of the Republic of China.

High winds can make this one scary landing.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

The embalmed remains of the communist leader lie within a custom crystal coffin.

A World War II gun battery sits at the easternmost point of North America.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

This sublime architectural marvel is a rare example of an expressionist church.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

The classic Atari game's iconic aliens have invaded downtown San Diego.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Thousands of flowers create enchanting pink tunnels over the city streets.