In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A spiritual vortex among the red rocks in Sedona.

America's only nuclear missile silo open to the public.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A collection of artifacts from Maryland's maritime past.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

Once America's tallest structure, now a Baltimore landmark.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

This free, take-a-book shop seems like a trick but isn't.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

This impressive Boston holy house is the American mecca for Christian scientists.

Radical Bookstore and Community Space.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

This mountain trail inspired Nietzsche to complete his magnum opus.