This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The former Willingdon Airport started operations in 1929, in India's capital, Delhi. Now, it's used for maintenance runs and helicopter rides.

Time has stopped at the house where Gandhi died.

This bright pink Gandhi memorial was built so that sunshine hits a specific spot on his birthday.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

An ancient iron pillar in Delhi that seems to be rustproof.

Modest by day, illuminated majestically at sunset.

A blooming house of worship for the masses.

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

A lover's walk between hilltop towns, decorated with graffiti love notes.

Five candy-colored villages on the Italian Riviera.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Go inside to really appreciate this 500-year-old technological masterpiece.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

A modest reminder of treacherous waters at the Golden Gate.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.