A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A naturally mummified 2,000-year-old man.

Experience a charming 1930s version of "infotainment."

A six-ton wedding present for the King of the Scots.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

This antique thermometer honors the creator of the first universal temperature scale.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This historic Victorian hotel has a scandalous history of affairs and murder.

Mosaics created from 11 million cigar bands.

The celebrated eyesore created by starry-eyed sweethearts.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The heads of two giant mythological water horses honor Scotland's horselord past.