The only Bahá'í house of worship in North America and one of only a handful worldwide.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Sacred Indian temple that’s all monkey business.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Enormous statue of the Emperor of the Mongols.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Broken Catholic cross now worshiped in the voodoo faith.

Nimrod Polar Expedition base, and home to hundred-year-old frozen whisky.

The 10,000 Torii shrine.

1513 Turkish world map, full of European state secrets and snarky commentary.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Soaring over the Niagara Whirlpool since 1916.

A wooden hut from the Heroic Age of Antarctic Exploration.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The largest stone moai on Rapa Nui.

The third-tallest statue in the world depicts the "Buddha of Infinite Light," complete with observation deck in his chest.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

Giant naked man on a hillside.

A massive underwater sinkhole made famous by Jacques Cousteau.