The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

California's longest-running tourist attraction is a stump.

A popular tourist cave with a dark past.

The only standing town in the United States that early Chinese Americans built for themselves.

A plaque and memorabilia collection mark where A&W got its start.

Where layer cakes tower above one’s head and there is never a shortage of icing.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

The former headquarters of Mexico's Secretariat of Public Education now houses a muralism museum, including Diego Rivera's first large-scale mural project.

The stoutest tree in the world.

This beautifully deceptive waterfall is something far different from what it appears to be.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

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

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

A reminder to choose water over wine since 1888.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

This Russian bar-restaurant lies within a three-story underground bathhouse.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.