The remains of this 2nd-century Roman temple are incorporated into a modern building.

Go inside to really appreciate this 500-year-old technological masterpiece.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

A miniature city, once ruled by the Queen of the Netherlands.

Famous landmarks and structures from across Italy fill this miniature park.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

"We Seceded Where Others Failed."

The museum chronicling a treasure hunter's dream, fulfilled.

The highway's southernmost spot is a beloved local attraction.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

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

A giant Troll lurks under one of Seattle's oldest bridges.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Its columns were all carved from the same white oak tree.

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

This neoclassic cathedral also houses what is believed to be the oldest clock in the Americas.

These boots are made for selfies.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.