The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

Modest by day, illuminated majestically at sunset.

This colorful colonial neighborhood in Panjim is one of the only Latin Quarters in Asia.

This weekly bazaar started in the 1960s as a way for hippie travelers to barter their goods.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

A blooming house of worship for the masses.

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

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

A brick building in Kathmandu's Durbar Square is home to Nepal's most prominent living goddess.

This historic square in Nepal is home to temples dating back to the third century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

The oldest Hindu temple complex in Nepal serves as the seat of Nepal’s national deity, Lord Pashupatinath.

The site where Sakyamuni Buddha first met his father after achieving enlightenment.

Designed to honor the birthplace of Buddha.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.