Home to items never before seen by the public.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

Towering basalt columns, a creation of fire and ice.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

The beloved dining spot stands at the cross-section of Hollywood and the Old West.

California's largest steel arch bridge.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

The unbelievably opulent home built for an infamous newspaperman.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Quite simply the largest tree in the world (by volume).

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

An alley covered with 20 years of bubble gum.

A deserted hodgepodge of experimental structures designed by nearby university students.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This blowhole is supposedly caused by a trapped monster.

Bug-devouring flora are the stars of a special wing of the glass conservatory.