Colorful Native American paintings are hidden within this small cavern.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The first Russian Orthodox church in North America and an Alaskan landmark.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

A historic freight system that found the true gold rush is in tourism.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This small, ingenious cannon once helped regulate Parisian life.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This popular cave pool is truly magical, despite the crowds.

Take a dip beneath the stalactites in this amazing cenote.

An island graveyard with spectacular views of the Caribbean.

A tall karst islet popularized by 007.