Along a California highway is a kind of Jurassic Park made of metal.

The United States' only educational center specializing in disease vectors and mosquitoes.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Measuring approximately 200 feet long, Swampy is the world's largest alligator-shaped building.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

This arcade is one of the last places to catch a public performance by the now-defunct ShowBiz Pizza's house band of animatronic animals.

This nine-story building can be played like an instrument.

Admire a Lilliputian replica of the fast food outlet.

An enormous, inside-out glass globe built in 1935.

In this small strip mall resides the largest collection of original art from the famed TV artist.

You’ll feel like you’ve gone through the looking glass at this contemporary art museum filled with glass sculptures of every size, shape, and color.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Hands-on activities, childbirth artifacts, and a library are all part of this tiny, one-room museum that examines motherhood and women’s roles throughout history.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

Play over 120 retro arcade games and pinball machines at this throwback museum.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

An encyclopedic collection of mammal penises.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.