On the Canadian border where Lake Huron and Lake Superior meet, a canal built in 1895 still is used to have boats bypass the rapids of the St. Mary's river.

Exeter sits in southwest England at a natural crossing of the River Exe, a position that has shaped its role since Roman times.

Located on the north coast of Morocco near the Strait of Gibraltar, Tangier is a cultural capital replete with historic sites, colorful architecture, and splendid beaches. An essential stop is the Ancien Medina, a walled collection of winding streets and alleys filled with cafes and shops leading to the Kasbah, a former palace and mosque that also houses a museum.

What sets Kaikōura apart are the extraordinary marine encounters that begin just off the shoreline. The Kaikōura Canyon, an underwater gorge that plunges to great depths close to land, creates currents rich with nutrients that attract a remarkable array of sea life year-round. Sperm whales are a common sight here and are frequently spotted on local boat tours. Dusky dolphins twist and leap in large pods, and colonies of New Zealand fur seals laze on rocky outcrops along the coast.

Nestled along Costa Rica's Pacific coast, Manuel Antonio National Park is a jewel of biodiversity and natural beauty that enchants every traveler who steps into its lush embrace. Renowned for its pristine beaches, dense rainforests, and remarkable wildlife, the park offers a unique combination of adventure and relaxation. Hike along the park's well-maintained trails, like the Punta Catedral trail, which winds through the jungle and offers stunning panoramic views of the Pacific Ocean.