Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The world-record holder for the longest bridge stretching continuously over water.

The ghostly remains of an accidental sea.

Oldest building in California still in use.

Lucha Libre (Mexican Wrestling) themed taco shop.

A Biblically-based Natural History Museum.

The Giant Lemon of Lemon Grove.

San Diego's most historic and haunted home.

Home to the only outdoor municipal elevator in the United States.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Tens of thousands of tiny birds swarm into one school chimney every fall.

Portlandia is the second-largest copper repoussé statue in the United States.

The magic's in the hole!

Pre-Incan aqueduct amidst a stone forest in Peru.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Rock-cut cave complex filled with ancient Buddhist artwork.

Version of the French Riviera destroyed by the sea.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.