Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

An impressive collection is dedicated to the legendary beast.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Half of a waterfall goes into the river while the other half seems to disappear.

Profile of a sleeping person 4km long in 250m high cliffs.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Despite its name, this route in southern Utah offers a heavenly day trip.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

20,000 pieces in a Frank Gehry-designed building.

The only arched bridge made of stone on the entire Mississippi River.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

When waves crash onto this section of beach, the rocks sing a song.

A black cat protests the City Guild in Riga's Old Town.

The watery grave of an impractical idea.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.