A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

One of the oldest seagoing boats in the world can be found at the Dover Museum.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

The famous aviator's final resting place is a study in natural beauty.

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

This popular cave pool is truly magical, despite the crowds.

A wonderfully eccentric Victorian-era museum and library.

A tribute to Loveland’s most famous sweethearts, who helped spread cupid’s message to millions.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

These azure waters were thought to lead to the Mayan Underworld.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Secret North Korean passage discovered below the world's most dangerous border.

South Korea's largely symbolic, barely used gateway to the North.