This small museum collects the Christian remembrances which would otherwise be forgotten.

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

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Ship-sized kinetic sculptural fantasy.

The celebrated eyesore created by starry-eyed sweethearts.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

A marvel of Byzantine engineering under the streets of Istanbul.

Mysterious lost empire of the Silk Road.

Ruins of the Crusaders' headquarters.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Come for the flowers, stay for the bats!

Giant naked man on a hillside.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

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

Hindu temple of the dead home to hundreds of long-tailed macaques.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

A beautifully eclectic mix of architectural styles.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.