Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

A hot dog stand where the heads are just as hot as the dogs.

Hot Doug's "Hot Dog" Stand.

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

A bizarre house filled with an astounding array of collections.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A large circus museum with summer performances.

The largest earthwork effigy in the world.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

Singapore's landscaping project is home to 18 incredible Supertrees.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

The most playful of the life-sized statues that make up Singapore's "People of the River."

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

Come for the flowers, stay for the bats!

Museum dedicated to the art of cutting and polishing stones.

Neo-cave art on the macro scale.

Cuba's historical trains remind natives of their country's sugary sweet past.