Home to the oldest operating roller coaster in the Southern Hemisphere.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

The world's largest wooden structure.

It's beautiful, it's haunted and its claim to fame is that it's the oldest existing stone arch bridge in Australia.

The world's only full-size replica of the research hut used by Douglas Mawson for his 1911-14 Australasian Antarctic Expedition.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The statue honors an adventurous seafaring cat.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A collection of intricate sculptures so small they have to be seen through a microscope.

This Kyoto Starbucks takes coffee drinkers back in time.

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

An eerie reminder to the horrors of World War II.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

Constructed on the ruins of a convent, this tower saved countless lives.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.