Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

The drama of nature in full effect in this Nevada State Park.

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

The Andean town where every single building is decorated with a brightly colored frieze.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A lasting testament to the Klondike Gold Rush.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

This spectacular track has run continuously since 1882.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

It houses the remains of a 17th-century version of the Titanic.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.