The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

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

The world's second-largest sundial, made entirely out of stone.

Sacred Indian temple that’s all monkey business.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

The world's longest covered bridge is a quaint and incredible wooden tunnel.

A mysterious spot where the laws of gravity seem not to apply.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Peanut butter trees and miracle berries are just the beginning.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A small, but award-winning beach known for its literally spotless reputation.

These two delightful animal-shaped buildings host a visitor center and wool shop.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Jesus' footprints and the first catacombs in the world.

2300-year-old Roman road connecting the empire.