Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

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

A single tree's 2,800 aerial roots give the appearance of a complete forest.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Read a book next to a Midtown waterfall.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

Mummified monks and the accidentally interred, in a 17th-century crypt.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Jesus' footprints and the first catacombs in the world.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.