An ancient Roman temple first dedicated to an emperor's wife is now a church.

Ancient snack bar of the Roman Empire re-opened.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Sniff the Titan Arum's rotting flesh.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

Spain's largest bullring offers a unique glimpse at architecture and history.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Mosaics, storks, and brothels—this ancient city has it all.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.