This beautiful 19th-century temple stands atop the ruins of its predecessor.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

The first declared National Monument in the United States.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A spiritual vortex among the red rocks in Sedona.

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

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

Vermont's hills are alive with the sound of music at this historic hotel.

The highest peak in the state of Vermont has some interesting features.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The colonial city's social history is reflected in its fanciful door knockers.

Two thirds of this Montreal neon icon has survived to flash another day.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

Every year, the colorful murals of Montreal get a complete makeover.

Within the church are the relics of the martyrs St. Jean de Brébeuf, St. Gabriel Lalemant, and St. Charles Garnier.

These subterranean models show Mexico City's central square during three different eras.

This hotel is an amazing example of the Escuela Tapatía de Arquitectura movement.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.