Rustic natural hot springs in the deciduous rain forest.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

See massive fossils that are over 200 million years old in northeastern Arizona.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

An unusual round church in London with a Templar past.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Every autumn, this hillside is ablaze with red summer cypress.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A student driver's nightmare.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

An Australian lake whose pink hue defies scientific explanation.

Quite simply the largest tree in the world (by volume).

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The "Seinfeld" diner.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A floating cat sanctuary on an Amsterdam canal.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A whimsical village of unique treehouses resides in a Washington forest.

More gold than anywhere else, ever.