One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

An ancient Egyptian temple in the middle of Madrid, Spain.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A colossal statue with a controversial past, forgotten for more than 30 years.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

Home to items never before seen by the public.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

A shrine built to combat the bad karma of a commercial venture.

A small museum in the Golden Triangle tells the story of the opium drug trade that gripped Northern Thailand.

The golden Buddha statue at the Wat Muang Monastery is the tallest in Thailand, and the ninth-tallest in the world.