Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

San Diego's most historic and haunted home.

A reproduction of earth's many biomes.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

A cabinet of curious mathematical models and old calculators.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A geological mystery on Camelback Mountain.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

An island graveyard with spectacular views of the Caribbean.

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

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

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.